Many Spiked Orthrosanthus Seeds

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Unit Price

Pack-size 1 square metre


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A pretty blue, cornflower perennial that flowers in Spring.


A wonderful Australian Native perfect for damp ground or shallow water. Growing to between 60-100cm, best in clayey loam, laterite or sand.

You can find more information on this species here.

Follow the advice given on our How To Sow page to get the best results - a glorious flowering show from early Summer to Autumn.

Please refer to the suggested sowing rate provided below to help determine how many grams per m² are suitable for your lot.

Note: This item needs to be smoke pre-treated.


Delivery Information

Delivery Times

Regular:   7 to 11 days

Express:  1 to 4 days

Delivery Location

Australia Wide


Sowing & Growing Information 

Sowing Period

Autumn or Spring  

Avoid frost

Flowering Period

Spring ~ Summer


Sowing Rate

0.5 gm per m²

Growth Height

60cm - 100cm 


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