Sunflower- Giant Single

Helianthus annuus Open Pollinated

Sow Now? Sow Now
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Not sure which climate? View Best Months to Sow
  • Annual 180cm
  • Yellow flowers

Standard seed packet, 30 seeds

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'Sunflower- Giant Single' seeds

Helianthus annuus

  • Annual 180cm
  • Yellow flowers

Annual. Tall plants that grow up to 180cm in height. Large flowers with yellow petals. Attracts birds, bees and butterflies to the garden. Fast growing. Drought tolerant. A fun plant to grow with kids.

Seeds per gram: 20
Product code: X-048

Best Months to Sow
  J F M A M J J A S O N D
Quick Sowing Guide
Method Sow direct or raise seedlings
Sowing Depth 10mm
Season Spring and early summer
Germination 7-14 days @ 21-30°C
Hardiness / Life Cycle Hardy Annual
Plant Spacing 30cm
Plant Height 180cm
Position Part or full sun, moist well drained soil
Days Until Maturity 85 days

*Notes: Keep sheltered from wind. Does best when watered deeply at less regular intervals.

How To Grow



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 1-3 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.


Ratings & Reviews

Sunflower- Giant Single

These seeds germinated easily and the flowers are so pretty!
Mona E 11 January 2022

Sunflower- Giant Single

These seeds germinated super easily and successfully and grew into nice strong plants with gorgeous flowers. Easiest thing to grow!
Katerina S 28 May 2021