North America Non-native Plant

Yellow Foxglove

Botanical name: Digitalis grandiflora

USDA symbol: DIGR4

Life cycle: biennial

Habit: forb

Native status: Non-native, reproduces and persists in the wild in Canada âš˜ Non-native, reproduces and persists in the wild in the lower 48 states  

Synonyms: Digitalis ambigua Murray (DIAM3)  âš˜  Digitalis orientalis Mill. (DIOR3)   

Yellow Foxglove: A European Beauty for Your Garden If you’re looking to add some old-world charm to your garden, yellow foxglove (Digitalis grandiflora) might just be the ticket. This European native has found its way into North American gardens, bringing with it tall spikes of buttery yellow blooms that seem ...

Yellow Foxglove: A European Beauty for Your Garden

If you’re looking to add some old-world charm to your garden, yellow foxglove (Digitalis grandiflora) might just be the ticket. This European native has found its way into North American gardens, bringing with it tall spikes of buttery yellow blooms that seem to whisper tales of cottage gardens and countryside meadows.

What Is Yellow Foxglove?

Yellow foxglove is a biennial to perennial forb that produces distinctive tubular flowers in soft yellow hues, often marked with delicate brown spots or veining inside. Unlike its more famous purple cousin, this species offers a gentler, more subdued presence in the garden. The plant is also known by its botanical synonyms Digitalis ambigua and Digitalis orientalis, though these names are less commonly used today.

Where Does It Grow?

While native to the mountainous regions of Europe, yellow foxglove has established itself across several North American locations. You’ll find naturalized populations in Ontario, Connecticut, Maine, Michigan, Minnesota, New Hampshire, New York, North Carolina, Ohio, and Vermont. As a non-native species that reproduces on its own in the wild, it has proven quite adaptable to various climates.

Garden Appeal and Design Role

Yellow foxglove brings several appealing qualities to the garden:

  • Height and vertical interest, typically reaching 2-4 feet tall
  • Soft yellow flowers that complement both warm and cool color schemes
  • Extended blooming period in early to mid-summer
  • Cottage garden authenticity and old-fashioned charm
  • Attractive to bees and other pollinators

In landscape design, yellow foxglove works beautifully as a back-of-border plant or as a vertical accent among lower-growing perennials. It’s particularly at home in cottage gardens, woodland settings, and naturalized areas where its somewhat wild appearance feels right at home.

Growing Conditions and Care

One of yellow foxglove’s best qualities is its easygoing nature. Here’s what this European transplant prefers:

  • Light: Partial shade to full sun (though some afternoon shade is appreciated in hot climates)
  • Soil: Well-draining soil; surprisingly tolerant of poor soils
  • Hardiness: USDA zones 3-8, making it quite cold-tolerant
  • Maintenance: Low maintenance once established

Planting and Care Tips

Getting yellow foxglove established in your garden is relatively straightforward:

  • Plant in spring or early fall when temperatures are moderate
  • Space plants about 12-18 inches apart to allow for proper air circulation
  • Water regularly during the first growing season to help establish roots
  • Once established, the plant is quite drought-tolerant
  • Deadhead spent flowers to encourage continued blooming and prevent excessive self-seeding
  • Allow some seed heads to remain if you want the plant to naturalize

Pollinator and Wildlife Benefits

Yellow foxglove’s tubular flowers are particularly attractive to bees, which can easily access the nectar within. The flowers’ shape and color make them valuable additions to pollinator gardens, providing food sources during their blooming period in summer.

A Word About Native Alternatives

While yellow foxglove can be a lovely garden addition, consider these native alternatives that provide similar vertical interest and pollinator benefits:

  • Wild bergamot (Monarda fistulosa) – native perennial with purple flowers
  • Great blue lobelia (Lobelia siphilitica) – native with striking blue flower spikes
  • Foxglove beardtongue (Penstemon digitalis) – native with white tubular flowers
  • Wild columbine (Aquilegia canadensis) – native with delicate red and yellow blooms

The Bottom Line

Yellow foxglove offers gardeners an easy-to-grow option for adding height, color, and old-world charm to their landscapes. While it’s not native to North America, it’s not considered invasive either, making it a reasonable choice for gardeners drawn to its gentle beauty. Just remember to deadhead spent blooms to keep it from spreading too enthusiastically, and consider mixing in some native alternatives to support local ecosystems. Whether you choose to grow it or not, there’s no denying that yellow foxglove brings a touch of European cottage garden magic wherever it grows.

Yellow Foxglove

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Scrophulariaceae Juss. - Figwort family

Genus

Digitalis L. - foxglove

Species

Digitalis grandiflora Mill. - yellow foxglove

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA