Sedum black knight. Sunsparkler | Quality Cuttings. Sedum black knight

 
Sunsparkler | Quality CuttingsSedum black knight  Tato sukulentní rostlina se výborně hodí do skalek

Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. A splendidly black sedum is a unique addition to sunny garden beds, adding late-season color. Sedum; Veronica. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Flower Color: Pink Type: Perennial Habit: Spreading Foliage: Green variegated with pink & white Heat Tolerance: Excellent Patented: No Uses: No Height. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Echeveria Black Knight is an intriguing black succulent plant with dark-colored, pointy, narrow leaves. Plant Black Knight in the sun in an average soil that is well-drained. Black Prince is a clumping succulent that grows in dense clusters. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Lobivia Arachnacantha Black includes a dark reddish-green body, spidery spinal columns, and beautiful, magnificent multicolored flowers. Performs best in full sun and poor to average, well-drained soil. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. The blue-green leaves of this succulent are tightly clumped, which makes it a stunning addition in pots. C'est une variété résistante aux. The foliage is fine and elegant. A clump-forming perennial to around 50cm tall and 40cm wide, with fleshy, purple-black leaves and producing terminal clusters of bright magenta pink. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. ”. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Perovskia atriplicifolia. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. It is an excellent Sedum for the. The foliage is fine and elegant. The foliage is fine and elegant. Water the soil but not in much quantity; make sure that the water does not sit in the rosettes of your Echeveria Black Knight. The foliage is fine and elegant. The foliage is fine and elegant. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Kasvaa hyvin aurinkoisessa paikassa, hyvin vettä läpäisevässä tavallisessa puutarhamaassa. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. New Guinea impatiens form small clusters of foliage with large, colorful flowers providing a view of blooms in any garden! Harmony Dark Pinks specifically are fast and early thrivSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum 'Orbit Bronze' PP26189. Sedum 'Purple Emperor' Hybrid perennial sedum 'Purple Emperor' has dark purple, fleshy. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Sedum, or Stonecrop, is a large genus of flowering plant which has fleshy, succulent leaves, fleshy stems, and has clusters of small, starry flowers. Plant the chartreuse/golden Angelina stonecrop (Sedum rupestre 'Angelina') as a companion plant to create a nice color contrast. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Out of the numerous succulent varieties, the black prince succulents are some of the most stunning ones with their deep and dark hues. Because of its thick, succulent leaves which can store water, sedum is drought tolerant. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Type Perennials. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Jejich dužnaté listy mohou být buď zelené, šedé nebo načervenalé. Black Knight has glossy, black foliage and red flowers in August-September. Tel: +1 5403187004. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Pair with gold or. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight EcheveriaSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Blooms are medium to large, 1. The foliage is fine and elegant. The foliage is fine and elegant. The foliage is fine and elegant. A clump-forming perennial to around 50cm tall and 40cm wide, with fleshy, purple-black leaves and producing terminal clusters of bright magenta pink flowers, in mid-to late summer. Plant Black Knight in the sun in an average soil that is well-drained. Tumma lehdistö tarjoaa hyvän kontrastin sekä kivikkoistutuksessa, perennapenkissä että puutarharuukussa. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Description. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. 17. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Patent Pending. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Description Sedum 'Knight Rider' is a deciduous perennial cactus / succulent with black, purple and burgundy foliage and red flowers in summer and fall. Black Knight has glossy, black foliage and red flowers in August-September. Water it well and keep it evenly moist. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Plant Black Knight in the sun in an average soil that is well-drained. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. The foliage is fine and elegant. Combining the most disease resistant genetics availSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Das Sedum Black Knight® bevorzugt einen sonnigen Standort mit durchlässigem Boden, kommt aber auch mit Halbschatten zurecht. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. The foliage is fine and elegant. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Black Knight has glossy, black foliage and red flowers in August-September. New Guinea impatiens form small clusters of foliage with large, colorful flowers providing a view of blooms in any garden! Harmony Dark Reds are fast and early thrivers with impreSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. It can grow 12 IN - 24 IN. Key Points The foliage is fine and elegant. The foliage is fine and elegant. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Le Sedum Black Knight est un orpin touffu, compact et vigoureux, au feuillage d'un pourpre noir brillant très élégant et aux fleurs rouges en fin d'été. Black Knight has glossy, black foliage and red flowers in August-September. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant number: 1. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Rozchodníky, u kterých je uvedeno "Na zakázku" jsou nasazené a budou se prodávat až dorostou. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Die pflegeleichte, mehrjährige Staude wird ca. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. 6000fc / 60000 lux). The foliage is fine and elegant. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Bomen, planten en Sedum telephium 'Dolseb' (BLACK KNIGHT) online bestellen Rechtstreeks van de boomkweker Met zorg gekweekt Deskundig advies Meer dan 9000 plantensoortenSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum kamtschaticum kvete v průběhu celého léta, tzn. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Night: 62-65 F. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Key Points Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant number: 1. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Growing Conditions: Full sun and well-drained soil. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. 150. Key Points Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. : Day: 68-82 F. Sedum maximum 'Thunderhead' (Stonecrop) PP # 24,693. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Sunsparkler | Quality Cuttings. Tervetuloa ostoksille kotimaiseen verkkokauppaan! Kasvit ja taimet. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Listy jsou lesklé temně vínové až černé. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Rozchodník | Sedum. Sedum performs best when grown in a porous, well-drained medium with a slightly acidic pH: 5. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Key Points Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Key Points Maksaruoho 'Black Knight'. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight EcheveriaThe foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. 5. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Lobivia Arachnacantha Black. The Jewel of Desert Delospermas are an absolute breakthrough. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. The foliage is fine and elegant. 69 Kč –49 %. Plant Black Knight in the sun in an average soil that is well-drained. Plant Needs. Tumma lehdistö tarjoaa hyvän kontrastin sekä kivikkoistutuksessa, perennapenkissä että puutarharuukussa. It also looks great in hanging baskets. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. It can grow 12 IN - 24 IN - wide, 12 IN - 24 IN - tall. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. The foliage is fine and elegant. The foliage is fine and elegant. Sedum 'Knight Rider' aka Knight Rider Stonecrop. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. The foliage is fine and elegant. The foliage is fine and elegant. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. They will come back the next. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Synonyms. The foliage is fine and elegant. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. The foliage is fine and elegant. Black Knight hat glänzende,. The foliage is fine and elegant. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The gorgeous Viola MAGNIFI SCENT® Collection has been bred for beauty and fragrance. Plant Black Knight in the sun in an average soil that is well-drained. aka Sedum 'SunSparkler 'Wildfire', Sedum hyb. Kiiltävä tumma lehdistö ja violetinpunaiset kukat. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Botanical Name: Sedum hispanicum ‘Blue Carpet’ Color: Blue. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Sedum, or Stonecrop, is a large genus of flowering plant which has fleshy, succulent leaves, fleshy stems, and has clusters of small, starry flowers. Black Knight has glossy, black foliage and red flowers in August-September. In bloom, stalkSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Key Points Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony.