Austroderia Richardii
Austroderia richardii – South Island Tōī Tōī
Common Names: South Island Tōī Tōī, Toetoe
Family: Poaceae
Origin: New Zealand native
Plant Type: Large evergreen native grass
Overview
Austroderia richardii is a striking New Zealand native grass forming large, graceful clumps of arching green foliage. In spring and summer it produces tall, creamy-white flower plumes held well above the foliage, creating movement and a strong natural presence in the landscape. Naturally found throughout the South Island, it is an excellent choice for larger gardens, native plantings, waterways and informal screening.
Key Features
- Foliage: Long, narrow green leaves forming a large, arching clump.
- Flowers: Tall, feathery cream to white flower plumes, particularly prominent through spring and summer.
- Form & Habit: Bold, fountain-like clumping habit with flower stems rising well above the foliage.
- Growth Rate: Moderately fast once established.
- Hardiness: A tough South Island native with good tolerance of cold, frost and exposed conditions.
- Ecological Value: Excellent for naturalistic native planting and provides useful habitat and cover for wildlife.
Mature Size
| Height: | Approx. 1.5–2 m foliage; flower stems can reach 2.5–3 m |
| Width: | Approx. 1.5–2 m |
| Form: | Large, arching evergreen clump |
Ideal Growing Conditions
| Light: | Full sun to partial shade |
| Water: | Moderate; tolerates wetter conditions well once established |
| Soil: | Adaptable to a range of soils, including heavier and moisture-retentive soils |
| Frost Tolerance: | Very good |
| Exposure: | Good tolerance of wind and exposed sites |
Landscaping & Garden Uses
South Island Tōī Tōī is particularly useful where a large, hardy native grass is required. Its size makes it excellent for larger-scale native gardens, lifestyle blocks, rural properties and restoration-style planting.
Use it for informal screening, wet areas, stream and pond margins, bank planting, large borders and exposed sites. The tall flower plumes also provide strong vertical interest and movement, particularly when planted in groups.
Allow plenty of room for the plant to develop naturally, as established specimens become considerably larger than most ornamental grasses.
Care & Maintenance
Austroderia richardii is relatively low maintenance once established. Water during establishment and during extended dry periods while young. Older or damaged foliage can be removed as required to keep plants tidy.
For a more natural landscape or restoration-style planting, very little ongoing maintenance is necessary.
Additional Tips
Give plants sufficient space from paths, driveways and frequently used areas, as the mature foliage forms a substantial spreading clump. It works particularly well where its natural size and flowing form can be allowed to develop without heavy trimming.
Fun Fact / Botanical Insight
New Zealand's native toetoe is sometimes confused with introduced pampas grass (Cortaderia species). Austroderia richardii is a genuine New Zealand native and is particularly associated with the South Island.
Why Choose Austroderia richardii?
Choose South Island Tōī Tōī for its bold size, graceful foliage, spectacular creamy flower plumes and ability to handle tough South Island conditions. It is an excellent structural plant for larger native landscapes where height, movement and a distinctly New Zealand character are wanted.
Pot Size: These are our standard size in 5 cm square pots.
Pot Size:
Standard Pot = 7cm Square
Large Pot = 9cm Square
Extra Large Pot = 1.5L Round
Use this guide to see how many plants of your selected pot size fit into a carton.
Standard Pot (7cm) = 50 plants per Carton
Large Pot (9cm) = 25 plants per Carton
Extra Large Pot (1.5l) = 10 plants per Carton
Urban- $19.90 per Carton Rural- $25.85 per Carton
Product Size:
The photo next to the ruler shows an example of the plant for sale (cm's) to give an indication of the size. Please note that the photo is for reference only; the size and appearance of the plant may vary.
Please Note:
Shipping charge applies. Available for immediate dispatch only, while stocks last.