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SPANISH PEAKS Foxglove

Digitalis thapsi

Compiled by · Reviewed against CSU Extension & Plant Select® · Updated 2026-09-11

SPANISH PEAKS Foxglove (Digitalis thapsi) is a perennial suited to the Colorado Front Range. It matures to about 12–18 in tall and 10–15 in wide, needs low to medium water, and prefers full sun to partial shade. Compact rose-pink foxglove for sun or part shade; short-lived but reseeds.

Plant Select®low to medium water12–18 in tall and 10–15 in wideXeric / water-wiseDeer-resistantToxic to dogs

Photos

At a glance

Will it survive here?

Hardiness zones
USDA 4–9
Water needs
low to medium water
Sun
Best in full sun; tolerates partial shade.
Soil
loam, sandy, well drained only
Soil pH
6.5–8.0
Hail tolerance
high
Wind tolerance
high
Salt tolerance
moderate

How big, what shape?

Mature size
12–18 in tall and 10–15 in wide
Planting spacing
~10–15 in apart

What it looks like, and when

Bloom time
late spring, early summer, mid summer
Bloom color
pink
Bloom length
Long (several weeks)
Foliage
Deciduous

Who else benefits

Pollinator value
high
Deer
Generally deer-resistant
Colorado native
No

Things to know before you plant

  • Toxic to dogsConsidered toxic to dogs, so keep pets away from it and check with your vet.

Planting & establishment

Deep water every 1–2 weeks during establishment (first growing season), then water sparingly per Plant Select guidance.

Frequently asked questions

Is SPANISH PEAKS Foxglove good for the Colorado Front Range?
Yes, SPANISH PEAKS Foxglove is a well-suited perennial for Colorado's Front Range.
What should I know before planting SPANISH PEAKS Foxglove?
The main things to know: Considered toxic to dogs, so keep pets away from it and check with your vet.
How big does SPANISH PEAKS Foxglove get?
It matures to about 12–18 in tall and 10–15 in wide.
How far apart do I plant SPANISH PEAKS Foxglove?
Space SPANISH PEAKS Foxglove about 10 in apart for a faster, fuller bed, or up to 15 in apart for a looser planting.
Is SPANISH PEAKS Foxglove hardy on the Front Range?
SPANISH PEAKS Foxglove is hardy in USDA 4–9. The Colorado Front Range spans roughly USDA 4b–6a, so it is well within range.
How much water does SPANISH PEAKS Foxglove need?
It needs low to medium water once established.
Is SPANISH PEAKS Foxglove safe for dogs?
No. SPANISH PEAKS Foxglove is considered toxic to dogs. Keep pets away and check with your vet.
Is SPANISH PEAKS Foxglove deer-resistant?
SPANISH PEAKS Foxglove is generally considered deer-resistant, though no plant is deer-proof when browse pressure is high.
How long does SPANISH PEAKS Foxglove bloom?
SPANISH PEAKS Foxglove blooms for several weeks, a long-season performer on the Front Range. Bloom timing shifts a week or two with elevation and spring weather.

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See also

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