Product details
Product Overview
Dicksonia antarctica, commonly known as the Soft Tree Fern, is a hardy and stunning fern native to southeastern Australia, Tasmania, and New Zealand. It is prized for its lush, arching fronds and robust, fibrous trunk, making it a popular choice for shaded gardens and landscapes.
Growth:
This fern can grow up to 15 metres in height and spread about 4-6 metres under optimal conditions. It has a slow to moderate growth rate, typically adding about 1-10 cm of trunk height per year, depending on environmental factors.
Light Requirements:
The Soft Tree Fern thrives in dappled shade or partial shade. It prefers a shaded location, such as under a tree canopy or in a shaded corner of the garden. Direct sunlight should be avoided as it can scorch the fronds, especially in hotter climates.
Soil Requirements:
This fern prefers moist, well-draining, humus-rich soil. It can grow in various soil types, including loam, clay loam, and sandy loam, as long as they are rich in organic matter. Adding mulch around the base helps retain moisture and provides nutrients as it decomposes.
Water Requirements:
Regular watering is crucial, especially during dry periods. The trunk and roots should be watered thoroughly, as the trunk can absorb moisture directly. During hot weather, daily watering is recommended, focusing on both the top of the trunk and the base. Misting the fronds can also help maintain humidity.
Frost Tolerance:
Dicksonia antarctica can withstand mild frosts but may suffer damage if exposed to temperatures below -5°C. In colder regions, protect the growth crown with straw or horticultural fleece during frosty periods to prevent damage to new fronds.
Drought Tolerance:
This fern is not drought-tolerant and requires consistent moisture to maintain its lush appearance. Prolonged dry conditions can cause the fronds to wither and die. Keeping the soil and trunk moist is essential for its health.
Flowering Information:
Dicksonia antarctica does not produce flowers. It reproduces via spores, which are found on the undersides of mature fronds. Propagation through spores can be challenging and slow but is possible for patient gardeners.
Spacing Requirements:
When planting multiple ferns, space them about 4-6 metres apart to accommodate their mature size and ensure good air circulation. This spacing helps prevent overcrowding and promotes healthy growth in garden beds.
Fertiliser Requirements:
Feed the fern with a balanced, slow-release fertiliser or well-rotted manure in spring and early summer. Applying a diluted liquid fertiliser every few weeks during the growing season can help promote lush growth. Avoid over-fertilising, as this can damage the delicate root system.
Care and Maintenance:
Minimal pruning is required—remove dead or damaged fronds to maintain a neat appearance. When planting, ensure the trunk is stable and well-supported to prevent toppling. If planting a bare trunk, bury it about 15-30 cm deep in soil to anchor it securely. The Soft Tree Fern can also be grown in large containers, but it may require frequent watering and feeding.
