Planting guide

When to plant Sedge?

Best month and methodCarex morrowii

Plant your sedge in April, May and September — the optimal month is usually May.

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You're in the planting season right now — a good moment to start.

Sedge (Carex morrowii)
Foto: Onbekend / Wikimedia Commons / Public domain

Spacing

Distance between plants

30 cm

For 1 m²

11 plants

For an X m² border, calculate: X × 11 plants.

Step by step: plant sedge

Carex morrowii thrives in partial to full shade, making it an excellent choice for darker corners of the garden where many other plants struggle. It tolerates a range of soil types including loam, peat-based soils, and clay, provided the ground is moisture-retentive but not waterlogged. Before planting, work in organic matter such as garden compost or well-rotted manure to improve soil structure and moisture retention, particularly if your soil is heavy clay or very free-draining. The best times to plant are April and May in spring, or September in early autumn. Spring planting allows the sedge to establish before winter, while autumn planting takes advantage of warm soil and autumn rains. Dig a hole slightly larger than the root ball and set the plant at the same depth it was growing in its pot. Space plants 30 cm apart if you're creating ground cover or a drift effect; this spacing allows each clump to develop its characteristic arching habit while eventually knitting together. After planting, water thoroughly to settle the soil around the roots and eliminate air pockets. Apply a 5 cm layer of organic mulch such as leaf mould, composted bark, or garden compost around the base, keeping it clear of the crown itself. This mulch conserves moisture, suppresses weeds, and gradually enriches the soil as it breaks down. Water regularly during the first growing season to help the sedge establish a strong root system, particularly during dry spells in late spring and summer.

More about sedge

Also plant in April, May and September