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Leadwort

Ceratostigma

Also called Plumbago

Leadwort
Photo: Kurt Stüber [1], CC BY-SA 3.0

Ceratostigma, also called leadwort or plumbago, is a genus of about eight small herbaceous plants, subshrubs and shrubs from warm regions of Africa and Asia. Commonly grown garden members such as C. plumbaginoides and C. willmottianum are prized for blue late-summer flowers and autumn leaf colour.

Family
Plumbaginaceae (Plumbagin family)
Light
Full sun, Part shade
Water
Water regularly during growth and dry spells; let the top of the soil dry slightly between waterings.
Soil
Well-drained, moderately fertile soil; tolerates poor soil once established.
Temperature
15–30 °C; hardy to about -10 °C in many cultivars, protect young or tender species below that.
How easy
Easy

About

Ceratostigma (;), or leadwort, plumbago, is a genus of eight species of flowering plants in the family Plumbaginaceae, native to warm temperate to tropical regions of Africa and Asia. Common names are shared with the genus Plumbago.

How to grow it

Plants of this genus are valued in the garden for their late summer flower colour and their autumn leaf colour. The following varieties have gained the Royal Horticultural Society's Award of Garden Merit (confirmed 2017):

C. plumbaginoides

Other Ceratostigma plants

Blue leadwood · Chinese-plumbago

Text excerpted from the Wikipedia article Ceratostigma by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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