Agastache 'Blue Fortune'
Mexican giant hyssop
A strong vertical presence from June until October with masses of slender soft-lavender spikes held in darker bracts - set against aromatic apple-green foliage
- 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 vertical accents 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 and bees. They are short-lived though, and may need replacing every few years, especially after a cold or wet winter. Blue Fortune has loose spires of lilac-blue flowers from July to October and peppermint-scented leaves. This upright, bushy perennial is perfect for the middle of a sheltered, sunny border. Try it as part of a Mediterranean scheme, with grey-leaved plants, or among ornamental grasses.
- Garden care: Don't cut back the faded flower-stems in until early spring, as they provide interest in the winter months. Lift and divide congested colonies in spring.
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 yRead full article