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Agastache 'Blackadder'

A brighter blue than 'Liquorice Blue' with fatter spikes makes this a brilliant border plant in sunny, well drained borders. Aromatic foliage and very attractive to bees.

At a glance

Common Name
Giant hyssop 'Blackadder'
Type
Hardy perennial
Height
90cm to 1.2m
Colour
Blue
Spread Rate
Moderate
Flowering
Late Summer
Soil Type
Drained, Dry
Aspect
Sun
Pollination
Attractive to pollinators
Wildlife
Very attractive to bees

Sue's Notes

This plant thrives in well drained, sunny borders. It might not survive the winter in heavy wet clay.

Buy this plant

Item Price   Buy  
9cm pot 4.00   Buy  
1 litre pot (Out Of Stock) 5.00      
2 litre pot (Out Of Stock) 6.00      

Prices
All prices are shown in UK Pounds and include VAT where applicable. All items are subject to our money-back guarantee.

Items marked as Out of Stock
When an item is marked Out Of Stock, it means that we have sold our stocks of that size for the current season and are unlikely to get any more this season. We can deliver to most addresses in mainland UK but we cannot deliver overseas. Delivery charges are calculated according to the number of plants ordered, as follows:
 
1 to 4 plants, 4.95
5 to 9 plants, 6.95
10 to 20 plants, 9.95
21 to 50 plants, 15.00
51+ plants, POA
 
Postage for orders consisting only of seeds are charged at the reduced rate of 1.50 per order. Postage on gift vouchers is free of charge. For large orders, (more than 50 plants), we will send you confirmation of plant availability and delivery charges before you pay, and we will email you a link so that you can pay online once you know what the final total will be.