Agastache ‘Blue Boa’

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Agastache ‘Blue Boa’

Giant hyssop 'Blue Boa'

Code Temp Category Description
1 15C+ Indoor Grow as a houseplant or under heated glass.
2 10 to 15C+ Indoor / Outdoor Grow indoors, or outdoors in summer in a sheltered spot
3 5 to 10C Tender Grow outdoors in summer, and in a heated glasshouse in winter.
4 1 to 5C Tender Grow outdoors or under glass without risk of frost.
5 -5 to 1C Half-Hardy Hardy in coastal/mild/sheltered areas. Will not tolerate hard/sudden frost. May require winter protection in situ. such as fleece or straw mulch.
6 -10 to -5C Hardy May suffer at altitude, central/northerly locations, harsh winters, cold gardens and when grown in pots.
7 -15 to -10C+ Hardy Will survive most severe winters but may be at risk in central/northerly locations and in pots. Top growth may be destroyed but will usually re-grow.
8 -20 to -15C Hardy Will survive severe winter, but may need protection when grown in pots.
9 -20C & Colder Very Hardy / Hardy in the severest European climates.

£14.00

Pot Size:

3Ltr

|

19 In stock

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SKU: 455157
Styles: , , , ,

Description

Family Lamiaceae
Garden origin

Deciduous herbaceous perennial with bright green, aniseed-scented leaves. Spikes of purple flowers are produced from mid-summer to mid- autumn. Attractive to pollinating insects.
Grow in well-drained, fertile soil in full sun.

Height and spread after 2-3 years 90 x 90cm

Colour

,

Foliage type

Habit

Low clump forming
Height after 10 years

Light requirement

Location

Scent

Season of interest

,

Soil PH

, ,

Soil Type

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