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Digitalis trojana (Helen of Troy foxglove)
1 hour care
per year
per year
1m
Max height
Max height
0.6m
Max spread
Max spread
1-2 years
To maturity
To maturity
Low
Toxicity
Toxicity
Plant details
Botanical name
Digitalis trojana
Other names
Helen of Troy foxglove
Genus
Digitalis Digitalis
Species
D. trojana - D. trojana is a clump-forming herbaceous perennial with lance-shaped leaves and large hairy spikes of yellow and brown funnel-shaped flowers with a conspicuous creamy-white lip in summer.
Digitalis trojana is: Deciduous
Habit
Clump-forming, Erect
Toxicity
Highly toxic if ingested.
Flower
Brown, Yellow in Summer
Foliage
Green in Summer
How to care
Watch out for
Specific pests
Aphids , Leaf and bud eelworms Aphids , Leaf and bud eelworms
Leaf spot , Powdery mildew Leaf spot , Powdery mildew
General care
Pruning
Cut back main flower spike as it fades to encourage a second flowering. Deadheading will also help avoid problems with numerous seedlings.
Propagation methods
Seed
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Where to grow
Digitalis trojana (Helen of Troy foxglove) will reach a height of 1m and a spread of 0.6m after 1-2 years.
Suggested uses
Cottage/Informal, Beds and borders, Woodland, Flower Arranging
Cultivation
Plant in rich free-draining soil in a sunny position.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Digitalis trojana
Other names
Helen of Troy foxglove
Genus
Digitalis Digitalis
Species
D. trojana - D. trojana is a clump-forming herbaceous perennial with lance-shaped leaves and large hairy spikes of yellow and brown funnel-shaped flowers with a conspicuous creamy-white lip in summer.
Foliage
Deciduous
Habit
Clump-forming, Erect
Toxicity
Highly toxic if ingested.
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Colour
Flower
Brown, Yellow in Summer
Foliage
Green in Summer
How to care
Watch out for
Specific pests
Aphids , Leaf and bud eelworms
Specific diseases
General care
Pruning
Cut back main flower spike as it fades to encourage a second flowering. Deadheading will also help avoid problems with numerous seedlings.
Propagation methods
Seed
Monthly care advice
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Where to grow
Digitalis trojana (Helen of Troy foxglove) will reach a height of 1m and a spread of 0.6m after 1-2 years.
Suggested uses
Cottage/Informal, Beds and borders, Woodland, Flower Arranging
Cultivation
Plant in rich free-draining soil in a sunny position.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained, Well-drained
Soil pH
Acid, Alkaline, Neutral
Light
Full Sun
Aspect
South, East, West
Exposure
Exposed, Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4)
USDA zones
Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
| Soil drainage: | Moist but well-drained, Well-drained | Tell us... |
| Soil pH: | Acid, Alkaline, Neutral | Tell us... |
| Light: | Full Sun | Tell us... |
| Aspect: | South, East, West | Tell us... |
| Exposure: | Exposed, Sheltered | Tell us... |
| Hardiness: | Hardy (H4) | Tell us... |
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