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Purple Chinese houses

Collinsia heterophylla

Also called Chinese Houses, Innocence, Purple Innocence

Purple Chinese houses
Photo: Stickpen, Public domain

Purple Chinese houses is a low annual wildflower native to California and northern Baja California, grown for its tiered, pagoda-like flower spikes. It is easiest to grow from seed sown directly in cool weather, in partial shade.

Family
Plantaginaceae (Plantain family)
Grows as
Annual
Light
Part shade
Water
Keep soil evenly moist while seedlings establish, then water moderately; avoid soggy soil.
Soil
Well-drained garden soil or sandy loam.
Temperature
10–25 °C; tolerates light frost once established, but sensitive to heat
How easy
Easy
Native range
SW. California to Mexico (N. Baja California)
Climate
subtropical

About

Collinsia heterophylla, known as purple Chinese houses or innocence, is a flowering plant native to California and the Peninsular Ranges in northern Baja California.

Text excerpted from the Wikipedia article Collinsia heterophylla 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.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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