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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 Information : Bright 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 Information : PP35,077

(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
  
  Mist:
  
  Low
  
  Fertilization:
  
  50 ppm N when roots become visible
  
  Pinching:
  
  Typically not necessary in propagation.
  
  Transplanting:
  
  35-42 days after sticking
  
  Comments:
  
  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.
Finishing Guide
- Media pH:
  
  5.8-6.2
  
  Temperature:
  
  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
  
  Vernalization:
  
  No
  
  Daylength:
  
  Long day obligate
  
  Watering:
  
  Allow media to dry slightly between watering.
  
  Fertilization:
  
  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.
Crop Scheduling
- 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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