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Heuchera Obsidian
  • Heuchera Obsidian coral bells is a dark leaf shade perennial groundcover
  • Heuchera Obsidan is one of the best black leaf coral bells on the market today
  • Heuchera Obsidian is one of the few coral bells that colors best in sun
  • Heuchera Obsidian dark leaves compliment yellow foliage plants
  • Heuchera Obsidian pairs well with other heucheras and Brunnera Jack Frost
  • Heuchera Obsidian best color is where it can get at least 3 hours of sun a day
  • heuchera Obsidian

Heuchera Obsidian

The DARKEST Heuchera foliage ever!
Item: #HEUOB1Q
ZONE 4,5,6,7,8,9
As low as $12.19
  • Best of the black leaf heucheras - it looks hand polished!
  • Easy to grow & trouble free
  • The best black Heuchera for heat & humidity tolerance
  • A truly top rate container plant for the shade garden
  • Jumbo 1 Quart pot
  • View all Heuchera
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Heuchera Obsidian Description

Our absolute favorite Shade Perennial!

Heuchera Obsidian is similar to the gemstone - it's not only genuinely black, but has a glassy luster as well.

The leaves of this shade plant appear polished to achieve this gemstone effect. Dark 10 inches mounds of stunning foliage.

In late spring, creamy flowers rise up to 24" tall. Very sun tolerant Heuchera that develops a highly reflective appearance the more sun it receives.

Heuchera Obsidian's shiny black foliage is the perfect companion to Hardy Ferns, bold Hostas, & giant-blooming Hydrangeas.

Heucheras prefer a rich, humus, moisture retentive soil. If grown in more sun, give this gem more water. Once established, they can tolerate a great deal of heat, humidity and dryer conditions.

Special Features: Butterfly Lovers, Color Change, Deer Resistant, Drought Tolerant, Easy Care, Fall Color, Foliage Interest, Hummingbird Lovers, Multi-season Interest

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Quick Facts

  • Botanical Name:
    Heuchera 'Obsidian'
  • Common Name:
    Coral Bells
  • Zone:
    4,5,6,7,8,9
  • Sun Exposure:
    Shade, Part Shade
  • Delivery:
    See schedule
  • Ship Form:
    1 Quart
  • Soil Type:
    Normal
  • Soil Moisture:
    Average
  • Height x Width:
    24" X 10"
  • Flower Color:
    Small
  • Foliage Color:
    Black
  • Bloom Season:
    Late spring
  • Uses:
    Accents, Alpine and rock garden, Border, Containers, Edging, Ground Cover, Massing, Small spaces, Under planting, Woodland
  • Cannot Ship to:
    AK,CAN, HI, PR
  • Patent #: 14,836

Ideas and How-to's

SUGGESTED PRODUCTS

PLANTING GUIDE

Soil: Coral bells like a neutral to slightly acid soil pH, somewhere between 6.0 and 7.0. Good drainage is a must, especially in shaded areas. They do well in soil where some organic matter has been added.
Light: As a general rule, Heucheras do well in shade, but for the highly colored varieties, some morning sun will bring out more intense coloring. The color can wash out in full sun, and too much heat and light can cause the leaves to scorch.
Water: Average -- better too dry than too wet when established. Keep the soil evenly moist, but not consistently wet to prevent root rot. To reduce the risk of foliar disease, Heuchera require watering during the early morning so any excess moisture can evaporate before evening. Drip irrigation effectively delivers moisture directly to the soil, further reducing the plant's vulnerability to disease.
Spacing: 1.5 ft
Fertilizing: Use good quality compost, or well aged livestock manure, or a combination of the two. Apply a few pounds for each plant, each year or two. On poor soils, top dress every year, or every other year on moderate quality soils. Spreading a 2-inch layer of mulch over the soil surrounding Heuchera helps insulate the soil during winter, and improve moisture retention. About 3 inches of space between the plant's crown and the mulch allows air circulation, which prevents rotting and disease. Replenishing the mulch throughout the year ensures proper winter protection, and hinders the establishment of competitive weeds.  Heuchera does not require fertilization during the fall or winter months.
Winterizing: Winter mulching will prevent the freezing and thawing that can heave plants roots.
Maintenance & Pruning: Cut back the entire flower stalk after flowering to put the plants energy into growing more leaves.  Divide Coral bells every 3-5 years to keep them from dying out in the center.

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