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Macrozamia johnsonii

Macrozamia johnsonii is a shrubby cycad native to north-eastern New South Wales, Australia. It grows slowly in well-drained soil and needs full sun to part shade.

Family

Zamiaceae (Cycad family)

Grows as

Shrub

Light

Full sun, Part shade

Water

Water deeply, then let the soil dry out between waterings; avoid waterlogging.

Soil

Free-draining, sandy or gritty mix with some organic matter.

Temperature

15–30 °C; tolerates light frost but protect below about 0 °C.

How easy

Moderate

Safety

Toxic: All parts, especially the seeds, contain toxins (cycasin-type compounds) that can cause serious illness if eaten.

Native range

NE. New South Wales

Climate

subtropical

Text excerpted from the Wikipedia article Macrozamia johnsonii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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