Acorus calamus
sweet flag
Thriving in its preference for wet feet, this deciduous aquatic perennial unveils strap-shaped, aromatic leaves in a vibrant shade of mid-green. Come midsummer, inconspicuous yet intriguing brown horn-like flowers emerge, reaching up to 7cm (3") just below the tips of the leaf-like flower stems. Resembling an iris in its elegance, Acorus calamus adds a touch of sophistication to pond margins, whether nestled in the formal ambiance of an urban setting or gracing the wild fringes of a natural pond.
How to care for Acorus calamus:
Reliable in wet or very moist, ‘boggy’ fertile soils, this acorus can be planted in aquatic baskets (to reduce root disturbance) in shallow water up to 22cm (9"). Divide congested clumps in early spring every few years. Wearing gloves, comb through old or damaged foliage in late winter to tidy if necessary.
Flowering period:
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Eventual height:
1m
Eventual spread:
1m
Position:
Full sun
Rate of growth:
Average
Soil:
Aquatic / Reliably damp or boggy
Hardiness:
Fully hardy
-
This pond plant dies right back in autumn, then fresh new growth appears again in spring.
3 × 1 litre aquatic pots
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1 litre aquatic pot
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3 litre aquatic pot
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