Agastache 'Blackadder'


2 litre pot
pot size guide
£8.99 £6.99 Buy

The ultimate midsummer bee plant with soft, stubby blue bottle brushes tinged with black- purple -the antidote to sunny orange calendulas

Val Bourne - Garden Writer

All you can buy delivered for £4.99
  • Position: full sun
  • Soil: well-drained, fertile soil
  • Rate of growth: average
  • Flowering period: July to October
  • Hardiness: hardy (borderline)

    Hyssops are great for adding height to a border, with whorls of long-lasting, tiny flowers arranged like a bottlebrush and pointed, aromatic fresh green leaves that are attractive to butterflies. They are short-lived though, and may need replacing every few years, especially after a cold or wet winter. 'Black Adder' has smoky, violet flowers on long spires from July to October. Try it as part of a Mediterranean scheme or in a sunny, well-drained border among ornamental grasses.

  • Garden care: Don't cut back the faded flower-stems until early spring, as they provide interest in the winter months. Lift and divide congested colonies in spring.

Geranium psilostemon


Gorgeous magenta flowers with black centres

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Sanguisorba obtusa


Rich pink bottle-brush like flowers

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Cosmos atrosanguineus Chocamocha = 'Thomocha' (PBR)

chocolate cosmos

Smells deliciously chocolatey

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Penstemon 'Pensham Plum Jerkum' (Pensham Series)

beard tongue

Opulent and luscious

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Tender perennials, such as pelargoniums, fuchsias, osteospermums and marguerites look great all summer, but unless they are given protection from the harsh winter weather, they will need to be replaced each spring. If you can do this, they will last for y

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Aromatic agastaches

When the heat bounces off the ground and almost overwhelms you some plants are revelling in this heat. Aromatic plants with a Mediterranean provenance like the Agastache come into their own. They are fabulous additions to the summer garden adding a verti

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