Gethyllis spiralis (Cape crocus) — Clump-forming

Overview

Gethyllis spiralis is a plant with a clump-forming habit in the genus Gethyllis, part of the Amaryllidaceae family, with linear, fleshy leaves foliage. Gethyllis spiralis grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H4. Suggested uses include conservatories, greenhouses and indoor pots.

About

Gethyllis spiralis (Cape crocus) is a clump-forming cultivar within the Amaryllidaceae family, known for its linear, fleshy leaves. It thrives in full sun with a south-facing aspect and requires a sheltered position. This plant prefers fertile, well-drained loam soil with a neutral pH, making it suitable for conservatories, greenhouses, or indoor pots. Hardy to UK zone H4, it is best grown in spring and summer and can be propagated by offsets or seeds.

Growing conditions

Best soil and position for Gethyllis

Sunlight: Full sun
Soil type: Loam
Soil pH: Neutral
Soil moisture: Well-drained
Aspect: South-facing
Exposure: Sheltered
UK hardiness: H4

Plant details

Gethyllis spiralis size, habit and characteristics

Habit: Clump-forming
Foliage: Linear, fleshy leaves
Suggested uses: Conservatories, greenhouses, indoor pots

Care notes

Pruning and caring for Gethyllis spiralis

Propagation: Offsets, seeds
Pest resistance: Generally pest-free
Disease resistance: Generally disease-free

Frequently asked questions

Where is the best place to plant Gethyllis spiralis?

Gethyllis spiralis prefers full sun. It suits sheltered positions.

What soil does Gethyllis spiralis need?

Gethyllis spiralis grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.

Is Gethyllis spiralis hardy in the UK?

Gethyllis spiralis has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Gethyllis spiralis?

Offsets, seeds.

More in the Gethyllis genus

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