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Chinese Houses

Collinsia heterophylla

Last reviewed: September 2026

Chinese Houses is an annual wildflower that blooms from March through June, producing tiered lavender and purple flowers popular with bees and butterflies in sunny to lightly shaded gardens.

Chinese Houses (Collinsia heterophylla)
Photo: no rights reserved

Chinese Houses (Collinsia heterophylla) is not flagged as toxic to dogs or cats by Plants For A Future (PFAF) (opens in new tab) (last reviewed 2026-05-21). This verdict does not come from the ASPCA. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

6"–24" H × 6"–12" W

Bloom

Mar, Apr, May, Jun

Native to

CA

Pollinators

bees, butterflies

Before you buy

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Chinese houses (Collinsia heterophylla) is a charming native annual wildflower growing 6-24 inches tall. It features distinctive tiered whorls of purple and white flowers that bloom from spring to early summer, resembling tiny pagodas. This low-water plant thrives in full sun and makes an excellent addition to borders or wildflower meadows.

Growing Chinese Houses

Grow Chinese Houses in full sun and low water. Mature plants reach 6 to 24 inches tall and spread 6 to 12 inches wide. Expect moderate maintenance to keep it looking intentional in a front yard.

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In an HOA neighborhood

Chinese Houses is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 3 out of 5.

Works well in: foundation, mid zone.

  • Annual nature means seasonal dieback
  • Can self-seed and appear informal
  • May need to be part of a more structured planting design

Wildlife value

Chinese houses is highly attractive to native bees and butterflies, providing valuable spring and early summer nectar.

Common questions

When does Chinese Houses bloom?
Chinese Houses typically flowers from March through June, with blooms tapering off as temperatures rise in early summer.
What growing conditions does Chinese Houses need?
It grows best in full sun to part shade with low to moderate water, and it tends to do well in open woodland edges or garden beds that don't stay soggy.
What pollinators visit Chinese Houses?
Bees and butterflies are the main visitors to Chinese Houses flowers, drawn to the tiered white-to-purple blooms.
Is Chinese Houses a perennial plant?
No, it is an annual forb that completes its life cycle in one growing season, flowering in spring and setting seed by early summer.
Is Chinese Houses toxic to dogs?
Chinese Houses is not flagged as toxic to dogs by Plants For A Future (PFAF). This verdict does not come from the ASPCA.
Is Chinese Houses toxic to cats?
Chinese Houses is not flagged as toxic to cats by Plants For A Future (PFAF). This verdict does not come from the ASPCA.
Is Chinese Houses HOA-friendly?
Chinese Houses is generally an HOA-friendly choice in the right placement, with moderate maintenance.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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Ready to grow Chinese Houses? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.