Agastache 'Blue Boa'
(Giant hyssop)
This showy plant produces fat spikes of purple-blue flowers that pop out of purple calyxes over a very long period. The spikes are carried on stiff stems with fragrant mid-green leaves that create a neat upright clump.
This showy plant produces fat spikes of purple-blue flowers that pop out of purple calyxes over a very long period. The spikes are carried on stiff stems with fragrant mid-green leaves that create a neat upright clump.
Wildlife Friendly
Scented
In stock
Backordered
Available Soon
Delivery:
3-5 Working Days
Info
Colour: Blue
Flowers: June, July, August, and September
Height x Spread: 80cm x 60cm
Soil: Well-drained
How Much Sun: Full Sun
Hardy to -10 degrees and more. The foliage dies back in autumn and grows again in spring. Cut the top growth back before new shoots emerge. Needs a good well-drained soil.
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