Digitalis Ambigua Aka. Grandiflora

Yellow Foxglove

Digitalis grandiflora, also known as Yellow Foxglove, is an upright, clump-forming perennial valued for its vertical form and soft yellow, tubular bell-shaped flowers with lightly spotted throats that rise on tall spikes in early to mid-summer, creating a naturalistic woodland display, with lance-shaped green foliage that may remain semi-evergreen and can develop subtle yellow tones in fall.


Mature Size:
Width: 12–18 in
Height: 24–36 in

USDA Zones: 3a–8b (very hardy; more perennial and longer-lived than common foxglove)
Light: Full sun to partial shade
Blooms: Soft yellow tubular flowers in early to mid-summer
Soil: Well-drained, moderately fertile soil
Water: Moderate; prefers consistent moisture


🌸 Landscape Uses
Cottage gardens, woodland edges, borders, naturalized plantings, pollinator gardens


🌼 Attracts & Tolerances
Attracts: Bees, butterflies, hummingbirds
Tolerances: Deer resistant, partial shade

Height

24-36''

Width

12-

Hardiness zones

3–8

Sunlight

Full Sun

Growth rate

Moderate

Bloom time

Early Summer, Summer

Flower color

Cream

Leaf color

Green

Fall color

Brown, Light Yellow

Attracts

Bees, Butterflies, Hummingbirds

Soil

Clay, Loamy, Well Drained

Landscape use

Border, Container, Mass Planting

Shape

Clumping, Upright

Drought tolerant

No