A picture of a Collinsia grandiflora

Collinsia grandiflora

Collinsia grandiflora

Partial Shade
Moderate watering
Frost Hardy

8a

USDA zone

-12°C

Minimum temperature

Expected size

Height
Spread

35cm

Max

40cm

15cm

Min

15cm

Flowering

  • spring
  • summer
  • autumn
  • winter

Collinsia grandiflora Overview

An annual clumped herb native to British Columbia, Canada and down as far as California. Bears whorls of linear-lance-shaped, mid green toothed leaves. Flowers are pink-purple, bell-shaped and borne in early spring.

How to propagate Collinsia grandiflora

Seed

Seed sown outdoors in spring or early autumn.