Helipterum (Paper Daisy) in Zone 11a & 11b
Rhodanthe chlorocephala
Yes, helipterum (paper daisy) grows in zones 11a and 11b. Start seeds indoors Nov 13–Nov 20 and plant out Jan 8–Jan 15.
When to plant helipterum (paper daisy) in zone 11b
Zones 11a and 11b share the same average frost dates, so this page covers both.
Method: Either: Start indoors for an earlier harvest, or direct-sow outside for less fuss. Either works.
| Start indoors | Nov 13–Nov 20 |
|---|---|
| Direct sow / transplant outside | Jan 8–Jan 15 |
| Estimated bloom | Mar 29–Apr 5 (~80 days after planting) |
Spacing: 4 per square foot (square-foot-gardening spacing). Mature height: 1-2 ft.
Plant alongside it in zone 11b
These go outside within two weeks of helipterum (paper daisy) in zone 11b, so one planting day can cover them.
- NasturtiumJan 8–Jan 15
- MarigoldJan 8–Jan 15
- Ageratum (Flossflower)Jan 8–Jan 15
- Annual Geranium (Pelargonium)Jan 8–Jan 15
- Campanula (Bellflower)Jan 8–Jan 15
- Castor BeanJan 8–Jan 15
Helipterum, also called paper daisy or Australian everlasting, is an everlasting flower with a papery petal texture that holds its shape and color well whether used fresh or dried.
How helipterum (paper daisy) fits zone 11's season
Zone 11b is frost-free, so frost is not what limits the calendar here. What you can plant, and when, comes down to summer heat and daylength instead.
Helipterum (Paper Daisy) planting windows in every zone
Zone 11b is highlighted. Useful for comparing against a neighbouring zone, or for a garden somewhere else.
| Zone | Start indoors | Sow or plant out | Bloom |
|---|---|---|---|
| 2a & 2b | Apr 1–Apr 8 | May 27–Jun 3 | Aug 15–Aug 22 |
| 3a & 3b | Apr 11–Apr 18 | Jun 6–Jun 13 | Aug 25–Sep 1 |
| 4a & 4b | Mar 27–Apr 3 | May 22–May 29 | Aug 10–Aug 17 |
| 5a & 5b | Mar 22–Mar 29 | May 17–May 24 | Aug 5–Aug 12 |
| 6a & 6b | Mar 7–Mar 14 | May 2–May 9 | Jul 21–Jul 28 |
| 7a & 7b | Feb 20–Feb 27 | Apr 17–Apr 24 | Jul 6–Jul 13 |
| 8a & 8b | Feb 4–Feb 11 | Apr 1–Apr 8 | Jun 20–Jun 27 |
| 9a & 9b | Dec 28–Jan 4 | Feb 22–Mar 1 | May 13–May 20 |
| 10a & 10b | Dec 12–Dec 19 | Feb 6–Feb 13 | Apr 27–May 4 |
| 11a & 11b (your zone) | Nov 13–Nov 20 | Jan 8–Jan 15 | Mar 29–Apr 5 |
Bloom dates are about 80 days after the sow or plant-out date, not after starting seeds indoors.
Zone 2 sows before zone 3 here, which looks wrong and is not. USDA zones rank winter cold, not season length, and zone 2 is mostly interior Alaska, where hard winters come with warm summers. More on what a zone measures.
Good companions
No well-established companions for helipterum (paper daisy).
Where to buy helipterum seeds
None of the seed suppliers we list carries helipterum seeds right now. A local garden center or a specialty seed house is the place to look.
See why we recommend these suppliers →
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See it growing
Search YouTube for "growing helipterum (paper daisy)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 11b calendar · Plan your beds in the Garden Designer →
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Growing Helipterum (Paper Daisy) in USDA zone 11b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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