Agastache Blackadder is an upright, clump-forming perennial with lance-shaped, blue-green anise scented leaves 3-5cm (1¼-2in) long and produces flowers in dense, terminal spikes to 20cm (8in) long, loved by bees and butterflies.
Hardy through most of the UK apart from inland valleys, at altitude and central/northerly locations. May suffer foliage damage and stem dieback in harsh winters in cold gardens. Plant can withstand temperatures down to -10°C (14°F)
Early in the year, typically January till end of March, herbaceous plants might be supplied in 9cm pots to ensure timely despatch. - upright, clump-forming perennial. Lance-shaped, blue-green leaves are 3-5cm (1¼-2in) long. Produces dark purplish-blue flowers in dense, terminal spikes to 20cm (8in) long
- Agastache Blackadder is a clump forming perennial
- The scented foliage loved by bees and butterflies
- Dark purplish-blue flower spikes
- Anise scented leaves
- Height - 60-90cm (24-36in)
- Spread - 45-60cm (18-24in)
- Plant in Full Sun in fertile well drained soil
- The scented foliage loved by bees and butterflies
- Flowers July to October
- Available singularly or packs of 3
- Allow 7 - 14 days for delivery
