Overview
Digitalis lutea subsp. australis is a clump forming herbaceous perennial in the genus Digitalis, part of the Plantaginaceae family, with deciduous foliage. It typically grows around 0.5-1 metres tall and 0.1-0.5 metres wide, reaching full size in around 2-5 years. Digitalis lutea subsp. australis grows best in full sun and partial shade, and tolerates most soils and alkaline and neutral pH. Its UK hardiness is rated H6. Suggested uses include cottage and informal garden, wildlife gardens and flower borders and beds.
About
Digitalis lutea, the straw foxglove or small yellow foxglove, is a species of flowering plant in the plantain family Plantaginaceae, that is native to western and southern Europe and North West Africa.
Wikipedia contributors, CC BY-SA 4.0 — Digitalis lutea
About the genus
Digitalis is a genus of about 20 species of herbaceous perennial plants, shrubs, and biennials, commonly called foxgloves.
Wikipedia contributors, "Digitalis", CC BY-SA 4.0 — Digitalis
Growing conditions
Best soil and position for Digitalis
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- East-facing, North-facing, South-facing, West-facing
- Exposure
- Sheltered
- UK hardiness
- H6
Plant details
Digitalis lutea subsp. australis size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, Wildlife gardens, Flower borders and beds
Care notes
Pruning and caring for Digitalis lutea subsp. australis
- Propagation
- Seed sown in-situ in late spring, Seed sown in seed trays in late spring and planted out in late summer
- Pest resistance
- Aphids, Leaf and bud eelworm
- Disease resistance
- Powdery mildews, Downy mildews, Leaf spot
Frequently asked questions
Where is the best place to plant Digitalis lutea subsp. australis?
Digitalis lutea subsp. australis prefers full sun and partial shade. It suits sheltered positions.
What soil does Digitalis lutea subsp. australis need?
Digitalis lutea subsp. australis is adaptable and grows happily in most soil types, including chalk, loam and sand. It prefers alkaline and neutral soil. Aim for soil that stays well-drained.
How big does Digitalis lutea subsp. australis grow?
Digitalis lutea subsp. australis reaches a height of 0.5-1 metres and a spread of 0.1-0.5 metres. It takes around 2-5 years to reach full size.
Is Digitalis lutea subsp. australis hardy in the UK?
Digitalis lutea subsp. australis has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.
How do I propagate Digitalis lutea subsp. australis?
Seed sown in-situ in late spring, Seed sown in seed trays in late spring and planted out in late summer.
