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Giant blue eyed Mary

Collinsia grandiflora

Also called Large Flower Blue Eyed Mary, Large Flowered Blue Eyed Mary

Giant blue eyed Mary
Photo: Dianne Fristrom, CC BY-SA 3.0

Giant blue eyed Mary is a small, erect annual wildflower from western North America, grown for its large purple and white flowers. It thrives in cool, moist woodland conditions and is best sown directly in place.

Family
Plantaginaceae (Plantain family)
Grows as
Annual
Light
Part shade
Water
Keep soil evenly moist during growth; avoid waterlogging.
Soil
Moist, well-drained, humus-rich loam or woodland soil.
Temperature
10–20 °C; tolerates light frost once established.
How easy
Moderate
Native range
W. Canada to NW. California
Climate
temperate

About

Collinsia grandiflora is a species of flowering plant in the plantain family known by the common names giant blue eyed Mary and large-flowered collinsia. This wildflower is native to western North America from British Columbia to northern California where it grows in coniferous understory and woodland.

Other Collinsia plants

White blue eyed Mary · Desertmountain blue eyed Mary · Child's blue eyed Mary · Chinese houses · Roundhead Chinese houses · Greene's blue eyed Mary · Purple Chinese houses · Narrowleaf blue eyed Mary · San Francisco blue eyed Mary · Parry's blue eyed Mary · Maiden blue eyed Mary · Sticky blue eyed Mary

Text excerpted from the Wikipedia article Collinsia grandiflora 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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