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  • Sedum middendorffianum Yellow Diamonds Landscape

Sedum middendorffianum Yellow Diamonds

Scientific Name : Sedum middendorffianum
Common Name : Chinese Mountain Stonecrop
Hardiness Zone : 5a - 9a
Hardiness Degree : -20°F (-29°C)
Blooming Season : Late Spring, Summer
Plant Habit : Mounded
Characteristics : Attracts Bees, Attracts Butterflies, Drought Tolerant, Rabbit Resistant, Low Maintenance
Water : Light
Fertilizer : Once a month
Spacing : 15 - 18" (38 - 46cm)
Height : 7 - 10" (18 - 25cm)
Width : 13 - 16" (33 - 41cm)
Exposure : Sun
General Information : Bright yellow, star-shaped flowers cover this nicely mounded Sedum in late Spring to Summer. The dark green foliage and red stems are attractive on their own and contrast nicely with the yellow flowers when in bloom.
Idea & Tips : This versatile plant thrives in full sun and is drought tolerant, working well in a range of soil types.  
Grower InformationBright yellow, star-shaped flowers cover the dense, nicely mounded habit.
  • Mounding habit provides a better presentation at retail and in the garden.
  • Striking color contrasts well against dark green foliage with red stems.
  • Blooms late Spring to Summer.
  • Deer and rabbit resistant; drought tolerant and low maintenance.
'Yellow Diamonds'
Protection InformationPP35,077
(Flowering Only License)
Breeder : Darwin Perennials
  • Propagation Guide
    • Media EC/pH:
      EC 0.75-0.80 mmhos/pH 5.8-6.2
      Soil Temperature:
      70-72°F (21-22°C)
      Rooting Hormone:
      500 ppm IBA
      50 ppm N when roots become visible
      Typically not necessary in propagation.
      35-42 days after sticking
      Do not over-mist. Oversaturated rooting media will slow the rooting process and contribute to stem rot. Remove from mist environment before or as soon as roots appear.
    • Media pH:
      Nights: 55 to 70°F (13 to 21°C) Days: 60 to 80°F (15 to 27°C)
      Light Level (fc):
      5,000 to 8,000
      Long day obligate
      Allow media to dry slightly between watering.
      Use a balanced fertilizer at a rate of 100 to 150 ppm.
      Pinch After Transplant:
      One pinch, two to three weeks after transplant.
      Plant Growth Regulators:
      PGRs generally not needed. B9 is effective if needed, especially under lower light conditions
      Pests and Fungal Diseases:
      Generally pest and disease free.
    • 1–qt. (10–cm) pot, 1 plant per pot:
      Unrooted: 10-12 wks Rooted: 6 wks
      1–gal. (15–cm) pot, 1 plant per pot:
      Unrooted: 12-14 wks Rooted: 8-10 wks
      2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot:
      Not recommended
      Bloom Months:
      July to August

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