Hen hero image

Hen

Asplenium bulbiferum

Not Threatened

Hen and Chickens Fern (Asplenium bulbiferum) is a lush, attractive native fern of New Zealand, known for its arching fronds and the small plantlets ("chickens") that grow on them. It thrives in moist, shaded environments and is popular in gardens for its ornamental value and ease of propagation. Learn more about New Zealand ferns

Asplenium (Hen and Chickens Fern) showing its arching fronds and plantlets

Image credit: Hen (Asplenium bulbiferum). Wikipedia

Quick Facts

Scientific NameAsplenium bulbiferum
HeightUp to 1 m (fronds)
Spread1–1.5 m (clumping habit)
Water NeedsHigh; prefers consistently moist soil
LightDappled to deep shade (tolerates some morning sun)
Frost ToleranceModerate (tolerates light frost, protect from severe frost)
Salt ToleranceLow (not tolerant of coastal salt)
Growth RateModerate to fast
LifespanPerennial (long-lived in suitable conditions)

Hen and Chickens Fern is native to the forests of New Zealand, where it thrives in cool, moist, sheltered environments. It is found throughout the country in suitable habitats, particularly in damp, shaded areas of native bush. It prefers areas with consistent moisture and protection from direct sunlight and drying winds.

Regional Suitability

City Climate Suitability
WhangāreiIdeal
AucklandIdeal
HamiltonIdeal
TaurangaIdeal
RotoruaIdeal
GisborneModerate
New PlymouthIdeal
NapierModerate
WhanganuiIdeal
Palmerston NorthIdeal
WellingtonIdeal
NelsonIdeal
ChristchurchModerate
DunedinIdeal
InvercargillModerate

Soil Requirements

Hen and Chickens Fern performs best in the following soil conditions:

  • Rich, humus-filled soil
  • Good moisture retention
  • Well-draining but consistently damp
  • Slightly acidic to neutral pH (5.5-7.0)
  • Benefits from added leaf mold or composted bark
  • Tolerates a range of soil types if moisture is adequate

Light Requirements

This fern prefers shaded conditions:

  • Dappled to deep shade
  • Protection from direct sunlight, especially midday sun
  • Morning sun tolerated in cooler regions
  • Ideal under canopy of taller trees or shrubs
  • Can tolerate more light if soil remains consistently moist
  • Avoid hot, dry, exposed positions

Water Requirements

Hen and Chickens Fern requires high moisture levels to thrive.

  • Keep soil consistently moist, but avoid waterlogging.
  • Water deeply when soil dries out, but allow it to dry slightly between waterings.
  • In dry conditions, mist the fronds regularly to increase humidity.
  • During winter, reduce watering slightly to prevent root rot.

Fertilization

Fertilize Hen and Chickens Fern in early spring and late summer.

  • Use a balanced, slow-release fertilizer.
  • Apply at half strength during the growing season.
  • Avoid over-fertilizing, which can lead to excessive leaf growth and poor root development.

Plant Ecology

The ecology of Asplenium involves its interactions with other species and its role in ecosystem processes. Understanding these relationships helps in conservation and cultivation.

Garden Uses

  • Ornamental fern for shaded gardens

Cultural Significance

Ecological Value

  • Provides habitat for insects and ground cover in forests

Spring

  • New fronds emerge, keep soil moist

Summer

  • Water regularly, avoid drying out

Autumn

  • Remove old fronds, divide if needed

Winter

  • Protect from frost, mulch base

Pruning

Pruning Techniques

Remove old or damaged fronds at the base as needed. Pruning is best done in late winter or early spring before new growth appears. Avoid cutting healthy fronds, as this can reduce the plant's vigor.

Planting Guide

Overview

  1. Choose a shaded, sheltered site with rich, moist soil.
  2. Dig a hole twice the width of the root ball.
  3. Plant at the same depth as in the pot.
  4. Backfill and firm gently.
  5. Water well after planting and mulch to retain moisture.

Propagation

Propagation Methods

Propagate easily from plantlets (bulbils) that form on the fronds. These can be potted up once roots appear. Division of mature clumps in spring is also effective. Spore propagation is possible but more challenging and slow.

Cultural History

Asplenium has been part of New Zealand's natural landscape for thousands of years. Indigenous Māori communities have long recognized its value, using it for various traditional purposes including medicine, food, and cultural practices.

Traditional Uses

Historically, Asplenium was used by Māori for medicinal purposes, with different parts of the plant serving various therapeutic functions. The plant also held cultural significance in traditional ceremonies and practices.

Pests and Diseases

Common Pests

Asplenium is generally resistant to most pests due to its native adaptations. However, it may occasionally be affected by common garden pests such as aphids or scale insects.

Disease Prevention

To prevent diseases, ensure good air circulation around Asplenium and avoid overwatering. Remove any diseased plant material promptly to prevent spread.

Grow Hen and Chickens Fern in a sheltered, shady spot for lush, healthy fronds and easy propagation from plantlets.

When growing Asplenium, consider its role in the broader ecosystem. Native plants like this one provide important habitat and food sources for local wildlife, including birds, insects, and other beneficial organisms.

Incorporating native plants into your garden design not only creates beautiful landscapes but also contributes to conservation efforts and helps maintain New Zealand's unique biodiversity for future generations.

Species Information

This comprehensive guide provides detailed information about the plant's classification, characteristics, and ecological role within New Zealand's unique flora. Understanding these aspects helps gardeners and conservationists make informed decisions about cultivation and preservation efforts.

Species Details

Explore the scientific classification and characteristics of this native species.

Natural Habitat

Asplenium is naturally found in specific habitats throughout New Zealand. Understanding its natural environment helps in providing appropriate growing conditions in cultivation.

Related Plants

Discover other native plants that complement Asplenium in your garden. These plants share similar growing conditions and create beautiful, sustainable landscapes.

Conservation

Conservation of this plant and its natural habitat is Hen and chicken fern is widespread but can be affected by habitat modification. It plays an important role in forest understory ecosystems and helps maintain soil moisture in shady areas.

Growing Requirements

Understanding the specific growing requirements of Asplenium is essential for successful cultivation. These requirements include soil type, water needs, light conditions, and climate preferences.

Landscaping Uses

Asplenium is highly valued in landscaping for its aesthetic appeal and practical benefits. It can be used in various garden styles and landscape applications.

Ecological Role

Wildlife Interactions

Asplenium plays an important ecological role in New Zealand's native ecosystems. It provides habitat and food for native wildlife and contributes to ecosystem health and biodiversity.

Care and Maintenance

Regular care and maintenance will keep Asplenium healthy and thriving. This includes proper watering, feeding, and monitoring for any issues.

Asplenium has specific growing requirements that should be met for optimal health and growth. Understanding these needs will help ensure successful cultivation.

Plant Description

Physical Characteristics

Asplenium bulbiferum exhibits distinctive characteristics that make it easily identifiable in its natural habitat. Its growth habit, leaf structure, and seasonal changes all contribute to its unique appearance and ecological role.

Understanding these physical characteristics helps gardeners and conservationists identify the plant correctly and provide appropriate care. The plant's form and features also make it valuable for landscaping and restoration projects.

Planting Section

Planting Requirements

Proper planting techniques are crucial for the successful establishment of Asplenium bulbiferum. Taking time to prepare the site and follow best practices will help ensure the plant thrives in its new location.

Consider the plant's mature size and growth habit when selecting a planting location. This planning helps avoid future problems and creates more sustainable, low-maintenance landscapes.

Traditional Knowledge

Asplenium bulbiferum holds cultural significance as part of New Zealand's rich fern heritage. Ferns have long been important in Māori culture, with many species having traditional uses and symbolic meanings.

In te reo Māori, ferns are often referred to as "ponga" or "mamaku," and they feature prominently in traditional art, carving, and cultural practices. The distinctive fronds of Asplenium bulbiferum would have been familiar to early Māori settlers and continue to be valued for their aesthetic and ecological contributions.

The plant's presence in native forests connects it to traditional Māori environmental knowledge and stewardship practices, highlighting the deep connection between indigenous communities and New Zealand's unique flora.