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Choose your climateBased on winter hardiness only.

Biennial · Plantaginaceae family

Common foxglove

Digitalis purpurea

Full sun to part shade 2 ft 7½ in–4 ft 11 in × 11¾ in–2 ft 5½ in Flowers June–July to −90 °F
Flower colors Click a color

In short a 10-second read

SunFull sun to part shade
Size2 ft 7½ in–4 ft 11 in
spacing 15¾ in
FlowersJune–July
PlantingAugust
WinterNo winter protection
Toxicity:highly poisonous to people
Highly poisonous to people — do not plant it where children play.

Where to plant and how much to water

Sun, soil and water.

It grows best in full sun to part shade, in average soil.

Sun

Sun6 hours or more
Part shade3–6 hours
Shadeunder 3 h

Soil

acidic to neutral soil
acidicneutralalkaline
averageloamyhumus-richsandy

Watering

only in dry spellsdo not waterlogless when it rains

Frost

−90 °F
no winter protection

How much space it takes

Mature size.

The mature plant next to a person (69 in).

19¾ in3 ft 3⅜ in4 ft 11 in2 ft 7½ in–4 ft 11 inspread 11¾ in–2 ft 5½ in
2 ft 7½ in–4 ft 11 in× spread 11¾ in–2 ft 5½ in

Plant 15¾ in apart.

Reaches maturity in about 1–2 years. The final size depends on the cultivar and the spot — we give the range from smallest to largest.

Calendar

Through the year.

Typical for a temperate climate (four seasons). The line shows the current month.

The year at a glance

Flowers: JanuaryFlowers: FebruaryFlowers: MarchFlowers: AprilFlowers: MayFlowers: JuneFlowers: JulyFlowers: AugustFlowers: SeptemberFlowers: OctoberFlowers: NovemberFlowers: DecemberSowing: JanuarySowing: FebruarySowing: MarchSowing: AprilSowing: MaySowing: JuneSowing: JulySowing: AugustSowing: SeptemberSowing: OctoberSowing: NovemberSowing: DecemberPlanting: JanuaryPlanting: FebruaryPlanting: MarchPlanting: AprilPlanting: MayPlanting: JunePlanting: JulyPlanting: AugustPlanting: SeptemberPlanting: OctoberPlanting: NovemberPlanting: DecemberFeeding: JanuaryFeeding: FebruaryFeeding: MarchFeeding: AprilFeeding: MayFeeding: JuneFeeding: JulyFeeding: AugustFeeding: SeptemberFeeding: OctoberFeeding: NovemberFeeding: DecemberJanFebMarAprMayJunJulAugSepOctNovDec
FlowersSowingPlantingFeeding
Now, in October: nothing to do — the next job is in May.
JanFebMarAprMayJunJulAugSepOctNovDec

Flowers

JanFebMarAprMayJunJulAugSepOctNovDec

June–July · purple, pink, white or yellow

Sowing

JanFebMarAprMayJunJulAugSepOctNovDec

direct sowing: May

Planting

JanFebMarAprMayJunJulAugSepOctNovDec

transplant outdoors: August

Feeding

JanFebMarAprMayJunJulAugSepOctNovDec

April–May

Feeding

Nutrition.

Horn meal

up to 0.29 oz/sq ft a year, if the soil needs it · April–May

JanFebMarAprMayJunJulAugSepOctNovDec

Pests and diseases

Common problems and what to do.

The most common problems in Central Europe. Protection is listed from the gentlest option.

What you will see

Clusters of tiny sap-sucking insects on young shoots, curled leaves, sticky honeydew and sooty mold.

When to look

Spring – summer

How to protect

  1. Prevention
    • Aphids are part of a healthy garden and food for predators; a healthy plant usually tolerates them.
  2. By handWipe or rinse off colonies and remove affected tips.
  3. BiologicalEncourage natural enemies (ladybirds, earwigs, birds).
Aphidspest · spring – summer

What you will see

Clusters of tiny sap-sucking insects on young shoots, curled leaves, sticky honeydew and sooty mold.

When to look

Spring – summer

How to protect

  1. Prevention
    • Aphids are part of a healthy garden and food for predators; a healthy plant usually tolerates them.
  2. By handWipe or rinse off colonies and remove affected tips.
  3. BiologicalEncourage natural enemies (ladybirds, earwigs, birds).
More about this problem

What you will see

White powdery coating on leaves, stems and flowers; leaves may become distorted.

When to look

From spring onwards

How to protect

  1. Prevention
    • Destroy fallen infected leaves in fall; do not over-feed, and protect from drought (stress invites powdery mildew).
  2. By hand fallPrune out infected shoots early and destroy fallen leaves.
Powdery mildewsdisease · from spring onwards

What you will see

White powdery coating on leaves, stems and flowers; leaves may become distorted.

When to look

From spring onwards

How to protect

  1. Prevention
    • Destroy fallen infected leaves in fall; do not over-feed, and protect from drought (stress invites powdery mildew).
  2. By hand fallPrune out infected shoots early and destroy fallen leaves.
More about this problem

What you will see

Yellow to brown patches on the upper leaf surface, with a white, gray or purple coating underneath.

When to look

Summer – fall

How to protect

  1. Prevention
    • Plant thinly and control weeds for airflow; in a greenhouse avoid leaves staying wet for long.
  2. By handPick off and destroy affected leaves as soon as they appear; remove heavily affected plants.
Downy mildewsdisease · summer – fall

What you will see

Yellow to brown patches on the upper leaf surface, with a white, gray or purple coating underneath.

When to look

Summer – fall

How to protect

  1. Prevention
    • Plant thinly and control weeds for airflow; in a greenhouse avoid leaves staying wet for long.
  2. By handPick off and destroy affected leaves as soon as they appear; remove heavily affected plants.
More about this problem
Sources (4)

Frequently asked

Quick answers.

When does common foxglove flower?

In June–July; the flowers are purple, pink, white or yellow.

When do I sow common foxglove?

In May (direct sowing).

Does common foxglove tolerate shade?

It tolerates part shade (3–6 hours of sun), but not full shade.

How much space does common foxglove need?

At maturity 11¾ in–2 ft 5½ in wide and 2 ft 7½ in–4 ft 11 in tall; recommended spacing 15¾ in.

Aphids — what can you do?

Aphids are part of a healthy garden and food for predators; a healthy plant usually tolerates them. Wipe or rinse off colonies and remove affected tips.

Powdery mildews — what can you do?

Destroy fallen infected leaves in fall; do not over-feed, and protect from drought (stress invites powdery mildew). Prune out infected shoots early and destroy fallen leaves.

Toxicity

Highly poisonous to people
Sources (13) Checked 24 October 2026

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