Coastal Astelia (Astelia banksii) is a striking evergreen perennial with sword-shaped, silvery leaves, forming dense clumps. Native to New Zealand, it thrives in coastal
At-a-glance light, water, soil, and growing conditions from plant data
Moderate
50% intensity
Prefers bright, indirect light. Can tolerate some direct sun, especially in cooler climates.
Moderate
50% intensity
Keep soil consistently moist but not waterlogged.
Well-drained, sandy to loamy
50% intensity
Moderate
50% intensity
Thrives in temperatures between 15-24°C. Protect from frost and extreme cold.
Low
25% intensity
Feed lightly during the growing season with a balanced liquid fertilizer.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
Non-toxic
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water regularly, allowing the soil to dry out slightly between waterings. Coastal Astelia prefers consistently moist conditions but dislikes waterlogged roots.
Reduce watering significantly during winter when the plant is less active. Ensure good drainage to prevent root rot.
Pruning is generally minimal for Astelia banksii. Remove any dead, damaged, or diseased leaves as they appear to maintain the plant's health and appearance.
Deadheading spent flower stalks can also be done after flowering if desired for aesthetic reasons.
Propagate Coastal Astelia from seed sown in spring, or by dividing established clumps during the same season. Division is the most common and easiest method for home gardeners.
Ensure divisions have healthy roots and at least one or two shoots.
Repot Astelia banksii every 2-3 years, or when it becomes root-bound. Choose a pot that is only slightly larger than the current one. Use a well-draining potting mix. Repotting is best done in spring.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Coastal Astelia (Astelia banksii)
Where Coastal Astelia (Astelia banksii) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Asparagales |
| Family | Asteliaceae |
| Genus | Astelia |
| Species | Astelia banksii |
Similar in genus Astelia
Answers based on plant encyclopedia data
