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RHS Plants for Pollinators

Agastache ‘Blue Boa’Giant Hyssop

£11.50

Out of stock

Overview

A herbaceous perennial with aromatic green leaves. Produces tall spikes tipped with clusters of deep blue flowers from summer into autumn.

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  • Planting: Thrives in well drained soil. Easy to grow both in the garden or planted in a container. Spreading habit, so requires plenty of space to grow.
  • Aspect: Best planted in a sunny position.
  • Care: Remove dead flower spikes using sharp secateurs to encourage longer flowering.

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Flowering Months

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Availability Date

March to October
Award

Aspect

Sun
Flower Colour

Blue
Flower Type

Cluster
Flowering Month

July, August, September
Foliage Colour

Green
Foliage Type

Deciduous
Hardiness

Hardy
Eventual Height

Pot Size

3 Litre
Soil Type

Acid, Alkaline, Normal
Special Attributes

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Uses

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Quality you can trust

What our customers say

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  • Paul C Verified Buyer
    Plants arrived in excellent condition in a very protected cardboard container. Very pleased.
  • Catherine E Verified Buyer
    Excellent service. Plants quickly delivered. Superbly well packed.
  • Serhii Verified Buyer
    This is my second year ordering Hepaticas from this nursery. I really like their selection and the quality of the plants. I’m looking forward to seeing more interesting new varieties become available!
  • Hilary R Verified Buyer
    I have used Ashwood nurseries several times. This time I ordered some Autumn flowering snowdrop which arrived in the green beautifully packaged with clear instructions.
  • Lee R Verified Buyer
    I was delighted with my Abies Concolor Pigglemee dwarf conifer from Ashwood Nurseries. Communication and speed of delivery was really good. All my plants from Ashwood are of excellent quality.
  • Anonymous Verified Buyer
    Cyclamen Coum were well packed, moist and delivered promptly. Planted next day they have already started to flourish
  • Adrian F Verified Buyer
    Easy ordering quick delivery and came extremely well packaged
  • Jane G Verified Buyer
    I rarely write reviews but I must recommend this excellent nursery. It is the best nursery I have used for online ordering. Rang them first with some questions and they were most helpful. Then did my order of heathers and they were sent and arrived promptly in great condition and are very healthy looking plants.
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