Plant Wiki

The open plant encyclopedia

Know any plant.
Grow it well.

Snap a photo or search by any name to see how to care for it, where it comes from, whether it's safe, and a 3D model you can turn.

  • 13,000+plants with full pages
  • 365,000+plant species worldwide
  • 220+countries covered

Common in

See all

The plants people record most in your country, and ones that grow there wild.

What do you want to do?

Popular plants

Browse all plants

See them in 3D

All plants in 3D

Browse plants

Filter by what you want to do, shape, origin, country, care and safety.

Plant Wiki › Browse plants

Yellow Foxglove

Digitalis grandiflora

Also called Big-flowered foxglove, Large yellow foxglove

Yellow Foxglove
Photo: Audrius Meskauskas (Audriusa), CC BY-SA 3.0

Yellow foxglove is a hardy perennial with pale yellow bell-shaped flowers on tall stems, grown in woodland-style or partly shaded borders. It does best in moist but well-drained, humus-rich soil in part shade.

Family
Plantaginaceae (Plantain family)
Grows as
Perennial
Light
Part shade
Water
Keep soil evenly moist during growth, but avoid waterlogging.
Soil
Moisture-retentive but well-drained, organic-rich soil.
Temperature
Hardy to USDA zones 3 to 8; protect from severe cold and prolonged heat.
How easy
Easy
Safety
Toxic: All parts contain cardiac glycosides, which can cause serious heart effects if eaten, as with other foxgloves.
Native range
C. Europe to SW. Siberia
Climate
temperate

About

Digitalis grandiflora, the yellow foxglove, big-flowered foxglove, or large yellow foxglove, is a species of flowering plant in the genus Digitalis, family Plantaginaceae (formerly Scrophulariaceae). It is native to southern Europe and Asia. In mountains it grows on warm, bushy slopes or areas left after logging. The Latin specific epithet grandiflora means "large flowered".

How to grow it

Digitalis grandiflora is long lived perennial, it has gained the Royal Horticultural Society's Award of Garden Merit. It is winter hardy is USDA zones 3 to 8 and grows best in moisture retentive, but well drained, organic soils in part shade. Cultivated plants in Germany bloom from June to August, in North America, flowering occurs from May to June in Missouri and from June to July in Ohio; with the typical bloom period lasting eight weeks.

Other Digitalis plants

Rusty foxglove · Digitalis ×fulva · Straw Foxglove · Digitalis parviflora · Foxglove · Foxgloves

Text excerpted from the Wikipedia article Digitalis 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.

Credits & terms

Identify a plant

Point at a leaf or flower and snap. One plant in frame works best.

Your photo
Starting camera…