Water Pepper

Polygonum hydropiper Open Pollinated

  • Leaf vegetable or herb
  • Likes wet-boggy soils
  • Spicy pepper flavour

Standard seed packet, 40 seeds

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'Water Pepper' seeds

Polygonum hydropiper

Synonyms: Persicaria hydropiper

  • Leaf vegetable or herb
  • Likes wet-boggy soils
  • Spicy pepper flavour

Grows in wet boggy soils or ponds. Leaves and stems can be eaten raw or cooked and have a hot spicy flavour similar to pepper. Seedlings can be used as a garnish. Popular in Japan where leaves are also used to make a traditional vinegar. Also known as "Smartweed" or "Marshpepper knotweed".

Seeds per gram: 450
Product code: F5-10

Quick Sowing Guide
Method Sow direct
Sowing Depth 5mm
Season Spring
Germination 10-20 days @ 10-28°C
Hardiness / Life Cycle Frost Tender Annual
Row Spacing 100cm
Plant Spacing 80cm
Plant Height 50cm
Position Full sun
Days Until Maturity 120 days

*Notes: Keep soil constantly wet do not allow to dry out.


We deliver Australia wide.

All orders are dispatched from our warehouse in Knoxfield, Victoria, Australia.

We do not deliver overseas.

Shipping cost is calculated using all the items in your shopping cart and your delivery postcode. The table below outlines the delivery options and costs.

Order dispatch time is currently 3-4 business days plus delivery time.
Please note we are unable to guarantee specific delivery dates or delivery timeframes, all delivery times are estimates only.


Order contains: Delivery options: Delivery cost per order
Small seed packets ONLY - Economy Delivery $3.00 or FREE on orders over $25 $5
Parcel Delivery Capped rate of $8.99
Express Delivery $15.00

BULK seed, garden supplies, tools, or accessories -

Parcel Delivery

Capped rate of $8.99

Express Delivery

Starting from $15.00
(Calculated by weight)
Live Plants - Live plants Capped rate of $10.00

*All orders sent to Western Australia are subject to mandatory inspection and fees by Quarantine WA. These fees are included in all shipping costs above.

**We will replace all orders that are lost or damaged in transit however we will not replace or refund orders simply because they were delivered later than estimated. Full details here.


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