Allium Ostara
£15.00
- out of stock
notes
Allium Ostara is a cross between A. Atropurpureum and A. Karataviense, taking the very best features of both. Appearing on tall mid green stems, its large deep-purple globes comprise of delicate starry flowers, resulting in a beautiful, upright perennial which is brilliant for adding interest to the cottage garden.
Dimensions
- Pot Size: 3L (17cm / 7in)
- Height and Spread: H: 40cm (1ft 4in)
- W: 15cm (6in) - After 2 -5 years
Features
notes
Allium Ostara is a cross between A. Atropurpureum and A. Karataviense, taking the very best features of both. Appearing on tall mid green stems, its large deep-purple globes comprise of delicate starry flowers, resulting in a beautiful, upright perennial which is brilliant for adding interest to the cottage garden.
Insights
Thriving in a warm, sunny, well-drained position, A.Ostrata looks wonderful planted amongst herbaceous plants, particularly shorter perennials. Like other alliums, this giant ornamental onion is a good nectar source for bees and other pollinators.
Details
- Herbaceous Perennial
- Fully Hardy
- Flowering period: June - July
- Low maintenance
- Relatively disease and pest free
Planting
- Any fertile, well-draining soil
- Any aspect
- Full sun
- Sheltered
Care
Avoid excessive soil moisture and split and divide large clumps in autumn or spring. Cut down at the end of season to maintain shape.
Glossary