• x Alworthia 'Black Gem'
  • x Alworthia 'Black Gem' x Alworthia 'Black Gem'
  • x Alworthia 'Black Gem'

x Alworthia 'Black Gem'

Size: ex 1.5cm pots

Availability: In stock

£5.99
  • Buy 2 for £5.75 each and save 5%

Quick Overview

  • Curious bigeneric hybrid
  • Bronzy-red fleshy foliage
  • Full sun
  • Frost tender
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Description

x Alworthia 'Black Gem' is one of horticulture's oddities: often listed as Aloe 'Black Gem', it is a bigeneric hybrid between Aloe speciosa and Haworthia cymbiformis. It generates many tight offsets, creating a large low clump and the foliage varies from green through to dark reddish-bronzy purple with the thick triangular-conical succulent leaves becoming darker and redder the more sun it gets.

In the UK, x Alworthia 'Black Gem' can be grown outside in the summer but in most regions - despite it being relatively cold-tolerant - will need to be brought indoors for the winter. A window-sill is perfect but a cold unheated greenhouse under fleece is also fine.

Additional Information

Order Asparagales
Family Asphodelaceae
Sub-Family Asphodeloideae
Synonyms Aloe 'Black Gem'
Geographical Origin Horticultural origin - parent plants from South Africa
Cultivation Full sun to occasional shade. Gritty, very well-drained substrate. Protect from frost
Eventual Height 15cm
Eventual Spread 40cm
Hardiness Tender in the UK in all but the most favourable south coast or inner London locations

x Alworthia 'Black Gem'

Size: ex 1.5cm pots

Availability: In stock

£5.99
  • Buy 2 for £5.75 each and save 5%
You could receive 10 Palm Points for writing a review and/or rating this product.

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