Agastache 'Black Adder'
(Giant hyssop)
Straight stems of mid-green, mint-scented leaves are topped with broad, fluffy spikes of tiny lilac-blue flowers. A free and long flowering plant that forms a neat, very upright clump.
Straight stems of mid-green, mint-scented leaves are topped with broad, fluffy spikes of tiny lilac-blue flowers. A free and long flowering plant that forms a neat, very upright clump.
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Estimated delivery £7.95
Delivery:
7-10 days
Info
Colour: Blue
Flowers: June, July, August, and September
Height x Spread: 90cm x 75cm
Soil: Well-drained
Planting position: Sun
Wildlife Friendly
Scented
Upright plant
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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