
Plants
Hyssop, Threadleaf Giant / Agastache rupestris
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Geographical origin: Northern America
Adult size: Height up to 60 cm, spread up to 40 cm
Foliage: Deciduous
Type of soil: Stony, avoid soil with excessive humidity
Climate: Hardy up to -15°C
Site: Partial shade to full sun
Planting Density: 5 / m²
Properties and uses:
From the Greek “agathos” which means “formidable”, the Threadleaf giant hyssop is a fragrant, perennial, aromatic and melliferous plant. Its fragrant foliage is a subtle mix of camphor hints, anise and mint which will delight the gourmet gardeners.
The Threadleaf giant hyssop has numerous green stems covered with a white bloom which develops into supple stalks with orangey-pink flowers in summer.
It is best to grow it in a well drained soil with Lavenders and Thyme for example. -