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Heuchera Obsidian

Heuchera Obsisian
Coral Bells, Alumroot

4,6/5
5 reviews
1 reviews
1 reviews
0 reviews
0 reviews

The photo on the website doesn't really capture the true colour of the leaves, it's misleading.

Lydie, 30/03/2023

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This plant carries a 12 months recovery warranty

More information

Value-for-money
The Heuchera 'Obsidian', a decorative ground cover with dark foliage almost black.
Height at maturity
30 cm
Spread at maturity
40 cm
Exposure
Partial shade, Shade
Hardiness
Hardy down to -29°C
Soil moisture
Moist soil
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Recommended planting time February to April, August to September
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Flowering time June to July
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Description

The 'Obsidian' heuchera has dark foliage almost black, brown tinged with violet, with a shiny appearance which gives it the name of this hard stone. The evergreen foliage is decorative for 9 months out of 12.

With a moderate habit, about 40cm (16in), this heuchera pairs well with lighter brunneras, heucheras or hostas.

For neutral to limestone soil, they are excellent evergreen field of plants for sun or partial shade.

Heuchera Obsidian in pictures

Heuchera Obsidian (Foliage) Foliage

Flowering

Flower colour white
Flowering time June to July

Foliage

Foliage persistence Evergreen
Foliage colour black

Plant habit

Height at maturity 30 cm
Spread at maturity 40 cm
Growth rate normal

Botanical data

Genus

Heuchera

Cultivar

Obsisian

Family

Saxifragaceae

Other common names

Coral Bells, Alumroot

Origin

Cultivar or hybrid

Product reference73111

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Planting and care

Prepare a planting hole measuring 20 cm (8in) x 20 cm (8in) x 20 cm (8in). If your soil is heavy, mix some compost with the crumbled soil, partially refill the hole, and place your seedling (after removing the pot) so that the top of the plant's root ball is covered by 3 cm (1in) of soil. Adding a base fertiliser (dehydrated blood, horn powder) will nourish your plant during its rooting period without the risk of burning. Firm the soil and water generously to eliminate air pockets. If the weather is dry, you will need to water regularly for a few weeks to facilitate your plant's establishment. Heucheras renew their foliage in late winter, and we recommend cutting back the previous year's leaves in January or February.

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Planting period

Recommended planting time February to April, August to September

Intended location

Suitable for Shaded rockery, Woodland edge, Undergrowth
Type of use Border, Container
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Planting density 7 per m2
Exposure Partial shade, Shade
Soil pH Any
Soil type Silty-loamy (rich and light)
Soil moisture Moist soil, humus-bearing, light and fertile

Care

Pruning instructions Remove any old leaves at the end of winter.
Pruning Pruning recommended once a year
Pruning time March to April
Overwinter Can be left in the ground
4,6/5
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