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SUNSET Foxglove

Digitalis obscura 'Sunset'

Compiled by · Reviewed against the 2024 Front Range Tree Recommendation List, CSU Extension & Plant Select® · Updated 2026-07-04

SUNSET Foxglove (Digitalis obscura 'Sunset') is a perennial suited to the Colorado Front Range. It matures to about 18–24 in tall and 12–18 in wide, needs low to medium water, and prefers full sun to partial shade. Shrubby foxglove with sunset-colored flowers; not as toxic-touch as common foxglove but still avoid ingestion.

Plant Select®low to medium water18–24 in tall and 12–18 in wideXeric / water-wiseDeer-resistantToxic to dogs
Online from $8.79 at 2 retailers

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At a glance

Botanical name
Digitalis obscura 'Sunset'
Variety / cultivar
Sunset
Type
Perennial
Mature size
18–24 in tall and 12–18 in wide
Planting spacing
~13–18 in apart
Bloom length
Long (several weeks)
Hardiness zones
USDA 4–9
Water needs
low to medium water
Sun
Best in full sun; tolerates partial shade.
Colorado native
No
Foliage
Deciduous
Soil
loam, sandy, well drained only
Soil pH
6.5–8.0
Hail tolerance
high
Wind tolerance
high
Salt tolerance
moderate
Bloom color
orange, yellow, red
Bloom time
late spring, early summer, mid summer
Pollinator value
high

Things to know before you plant

Wildlife & ecology

Pollinator value
high
Deer
Generally deer-resistant

Planting & establishment

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

Frequently asked questions

Is SUNSET Foxglove good for the Colorado Front Range?
Yes, SUNSET Foxglove is a well-suited perennial for Colorado's Front Range.
What should I know before planting SUNSET Foxglove?
The main things to know: Considered toxic to dogs, so keep pets away from it and check with your vet.
How big does SUNSET Foxglove get?
It matures to about 18–24 in tall and 12–18 in wide.
How far apart do I plant SUNSET Foxglove?
Space SUNSET Foxglove about 13 in apart for a faster, fuller bed, or up to 18 in apart for a looser planting.
Is SUNSET Foxglove hardy on the Front Range?
SUNSET 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 SUNSET Foxglove need?
It needs low to medium water once established.
Is SUNSET Foxglove safe for dogs?
No. SUNSET Foxglove is considered toxic to dogs. Keep pets away and check with your vet.
Is SUNSET Foxglove deer-resistant?
SUNSET Foxglove is generally considered deer-resistant, though no plant is deer-proof when browse pressure is high.
How long does SUNSET Foxglove bloom?
SUNSET 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

Related perennials