How to plant agastaches

Agastaches or hummingbird mints/giant hyssops will bring a splash of colour and height to the garden border with their majestic spikes of long lasting, bottle-brush flowers and scented leaves. Attractive to pollinators, these incredible perennials work especially well with euphorbiasmonardas, sidalceas and any plants or grasses which will allow their spiky flowers to pop through the foliage. For extra pizzaz, try mixing with crocosmias!

Once all risks of frost have passed, plant in fertile, well-drained soil, preferably in full sun. Provide mulch in winter.

Agastaches are supplied in 9 cm pots. Always unpack and plant on arrival.

Potential problems, pests and diseases:

Agastaches do not usually suffer from any serious pest problems. However, their leaves can be affected by powdery mildews during dry summers. Usually caused by planting in the shade or by poor air circulation, these fungal diseases can be seen in the form of white, powdery coating on the leaves. Cut off any infected material before disinfecting your scissors.

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