Cyathea dealbata

How hardy is Cyathea dealbata?

Cyathea dealbata is considered moderately hardy in New Zealand. It thrives in cool, temperate climates with mild temperatures and moderate rainfall. It can tolerate light frosts but is not suitable for very hot or dry climates. It thrives between 10-21°C. It can tolerate light frosts down to around negative 3°C for short periods but not on a repetitive basis. If you're unsure about the hardiness of Cyathea dealbata in your specific location, it's best to consult with The Plant Company.

Cyathea dealbata for sale

The Plant Company has the best Cyathea dealbata for sale in NZ. Our production nursery specialises in growing amazing plants and our logistics team pack them carefully for our customers. The pricing is competitive and the quality is exceptional. Let us look after your plant needs and impress you with both our products and service!

How to grow Cyathea dealbata (Silver Fern)?

To grow Cyathea dealbata (Silver Fern), you’ll need to recreate the moist, shaded, and sheltered conditions it thrives in naturally. Choose a spot protected from strong wind and intense sun — dappled light under taller trees is ideal. The soil should be rich in organic matter, well-draining, and consistently moist but not waterlogged. Before planting, enrich the soil with compost or well-rotted manure. When planting, position the fern so the crown sits just above soil level. Water deeply after planting and continue to keep the soil moist, especially during dry periods. Mulching with leaf litter or bark helps retain moisture and mimics its natural forest floor environment. In colder areas, protect young plants from frost with frost cloth or by planting in a very sheltered microclimate. Once established, Cyathea dealbata is relatively low maintenance but benefits from regular watering during dry spells and occasional feeding with a diluted liquid fertilizer to encourage lush growth.

What are the landscape uses for Cyathea dealbata?

Cyathea dealbata (Silver Fern) is highly prized in landscaping for its striking, silver-backed fronds and elegant tree-fern form. It is often used to create a lush, subtropical or native New Zealand garden aesthetic. In landscapes, it works beautifully as a specimen plant to draw attention with its distinctive foliage or as part of a forest or bush garden under taller trees, helping to create layered, naturalistic plantings. Silver Ferns are also used along shaded pathways, stream banks, and in moist gullies where their need for consistent moisture can be easily met. In large gardens, they can form part of a sheltered fernery or be mass-planted for dramatic impact. Their graceful canopy also makes them ideal for softening hard landscaping like walls and fences, adding a native, serene feel to outdoor spaces.

What are the common names for Cyathea dealbata?

The common names for Cyathea dealbata are Silver Fern, Ponga, and sometimes simply Silver Tree Fern. In New Zealand, "Ponga" is the Māori name and is widely recognized alongside "Silver Fern," which is also an important national symbol.

Can Cyathea dealbata grow in full sun?

Cyathea dealbata generally does not grow well in full sun, especially when young. It naturally thrives in shaded or partially shaded environments, like forest understories, where it is protected from direct, harsh sunlight. Full sun can scorch the delicate fronds, dry out the soil too quickly, and stress the plant. However, mature Silver Ferns can tolerate brief periods of morning sun if they are well-watered and protected from hot afternoon sun. For best results, plant it in a sheltered, semi-shaded position with consistently moist soil.