Straw foxglove
Digitalis lutea · Plantaginaceae
The gardener's calendar
Ideal time to plant straw foxglove: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Deciduous
- Flowering
- June to August
- Adult size
- 60 to 120 cm in height
- Growth
- Moderate
- Hardiness
- Hardy down to -15 °C
- Origin
- Southern Europe and the Balkans
- Soil type
- Well-drained, preferably chalky
Care
Exposure
Plant your yellow foxglove in a sunny or partially shaded position for optimal flowering. It tolerates dappled shade well but will flower less generously. Protect it from strong winds that could break the fragile flower spikes.
Watering
Water regularly during growth and flowering, particularly during dry periods. Once established, it tolerates periods of relative dryness. Avoid excess moisture in winter, which could promote root rot.
Soil
Plant in well-drained, light soil enriched with organic matter. Yellow foxglove appreciates chalky or neutral soils. Improve overly compacted soil with compost or potting soil when planting.
Fertilizer
Apply a balanced fertilizer in spring when vegetation begins. A second application before flowering can promote more abundant blooms. Avoid excess nitrogen, which would produce too much foliage at the expense of flowers.
Pruning and maintenance
Deadhead spent flowers regularly to extend the flowering period. After the season, cut stems back to ground level once they turn brown. Clean around the base to prevent the buildup of damp debris.
Diseases and pests
This species is generally robust. Watch for powdery mildew if air circulation is poor or humidity is high. Slugs can damage young plants in spring. Good drainage prevents most fungal problems.
Did you know?
Unlike its cousin purple foxglove (Digitalis purpurea), yellow foxglove was long overlooked by medieval herbalists. It wasn't until the 19th century that its active compounds, similar to those of purple foxglove, were recognized. However, it remains far less used in herbal medicine today, despite having been present in Central European garden centers for centuries.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
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Tips generated and checked by Viridia — adapt them to your local climate.