Heuchera ‘Obsidian’

Heuchera ‘Obsidian’ after I brought it home on 4-23-17, #321-4.

Heuchera ‘Obsidian’

I bought my Heuchera ‘Obsidian’ from Lowe’s in the spring of 2014. It has very dark purple, nearly black, leaves. It produces creamy-white flowers in late spring through mid-summer on stems about 24” tall. I planted my new Heuchera, Hosta, and several Caladiums (etc.) in the new shade bed I made this spring (2017).

Heuchera ‘Obsidian’ is a Terra Nova® introduction PP14836. Information from their site says H. ‘Obsidian’ is the “Black Standard” which does not fade. They are a vigorous and consistent performer under a wide range of conditions.

Heuchera ‘Obsidian’ on 5-31-17, #339-12.

 

USEFUL INFORMATION:
Family: Saxifragaceae
Origin: Sun to part shade
Zones: USDA Zones 4-9 ° F
Size: 8-10” tall x 16” wide
Light: Sun to part shade
Soil: Prefers organic, moist, well-drained soil
Water: Average.
Flowers: Creamy-white in late spring through early summer
Propagation: Can divide after 3 years

 

Heuchera ‘Obsidian’ on 6-24-17, #349-34.

Although information suggests they do well in full sun to part shade, I have found their leaves burn in to much light. I prefer light to part shade and where I grow them they get a combination of both, depending on the time of the summer.

 

Heuchera ‘Obsidian’ on 7-19-17, #357-30.

In mild winters, their leaves will remain evergreen but in cold winters they will completely die back. They are sensitive to frost heaving like Hosta so you may need to mulch your Heuchera AFTER the ground freezes. This will help keep there ground froze somewhat. Continual freezing and thawing will heave their roots up losing contact with the soil. They don’t need much mulch, though, because they still need good drainage over the winter.

 

Heuchera ‘Obsidian’ flowering on 7-30-17, #362-28.

Heuchera only require a little maintenance. Trim off dead or damaged leaves in the spring and throughout the summer. Deadhead spent flowers to keep them looking tidy.

Although they do like consistently moist soil, they do not want it overly wet. They become fairly drought tolerant once established.

 

Heuchera ‘Obsidian’ on 10-11-17, #382-30.

As you can tell in the above photos, I get behind weeding the beds from time to time. There is always something to do here on the farm. As this new shade bed gets more mature, weeding will be a little easier.

There are MANY sources of Heuchera at local garden centers and online.

If you have any questions, comments or suggestions, I would like to hear from you. Please leave a “Like” below if you have visited this page. It helps us bloggers stay motivated. 🙂

FOR FURTHER INFORMATION:
MISSOURI BOTANICAL GARDEN
TERRA NOVA
PERENNIALS.COM
DAVE’S GARDEN

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