Digitalis obscura

Obscure Foxglove

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Tall perennial foxglove from the Caucasus mountains with dark-spotted bell-shaped flowers. Prefers cool, moist soil and partial shade. Toxic to pets.
yard Outdoor plants wb_sunny Half-shade pets Not pet-safe
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Plant Details

Common Name Obscure Foxglove
Family Plantaginaceae
Genus Digitalis
Species Obscura
Origin Caucasus Mountains
Blooming Late spring to early summer, often biennial.
Leaf Color Grey-green, pubescent
Sunlight Half-shade
Category Outdoor plants
Pet Friendly close No
yard

Care & Maintenance

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Soil

Rich, humus-rich, well-drained soil. pH neutral to slightly acidic.

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Watering

Keep soil consistently moist during growth. Reduce after flowering. Avoid waterlogging.

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Sunlight & Care

Full sun to partial shade. Needs cool roots and good air circulation; not ideal for hot indoor heating.

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Fertilization

Apply balanced liquid fertilizer monthly during growing season (Spring).

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Pruning

Deadhead spent flowers to prevent self-seeding; cut back foliage after blooming.

Pest Control Aphid Slug Snail Spider Mite

These are the insects and pathogens that commonly interact with this plant, including pests, parasites, and organisms typically associated with its care.

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Seasonal Periods

local_florist Flowering Period 3 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
eco Leaf Persistence 12 months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
thermostat

Growing Parameters

thermostat
Temperature
41° – 82°
Fahrenheit
Ideal ambient air temperature range for healthy growth
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Humidity
40% – 75%
% relative
Optimal relative air humidity the plant thrives in
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Light (LUX)
2000 – 25000
Lux
Ambient illuminance level at the plant's surface
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Light (PAR)
100 – 250
mmol/m²/s
Photosynthetically active radiation (PAR) intensity
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Soil Moisture
30% – 60%
% volumetric
Water content in the growing medium
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Soil EC
350 – 1200
mS/cm
Electrical conductivity (nutrient concentration in soil water)
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Common Problems

Something wrong with your Digitalis obscura? Select a symptom to diagnose and fix the issue.

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