Shasta Daisy in Zone 9a & 9b
Leucanthemum × superbum
Yes, Shasta daisy grows in zones 9a and 9b. Start seeds indoors Dec 28–Jan 4 and plant out Jan 25–Feb 1.
When to plant Shasta daisy in zone 9b
Zones 9a and 9b 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 | Dec 28–Jan 4 |
|---|---|
| Direct sow / transplant outside | Jan 25–Feb 1 |
| Estimated bloom | May 10–May 17 (~105 days after planting) |
Spacing: 1 per square foot (square-foot-gardening spacing). Mature height: 1.5-2.5 ft.
Plant alongside it in zone 9b
These go outside within two weeks of Shasta daisy in zone 9b, so one planting day can cover them.
- Black-Eyed SusanJan 25–Feb 1
- Clarkia (Farewell-to-Spring)Jan 25–Feb 1
- Cynoglossum (Chinese Forget-Me-Not)Jan 25–Feb 1
- Phacelia (Lacy Phacelia)Jan 25–Feb 1
- Saponaria (Soapwort)Jan 25–Feb 1
- Agrostemma (Corn Cockle)Feb 1–Feb 8
Shasta daisy is a reliable, cold-hardy perennial with the classic white-petaled, yellow-centered daisy look, and it's a solid pollinator draw once it's established and blooming at full size.
How Shasta daisy fits zone 9's season
Zone 9b's frost-free window runs about 293 days, from February 15 to December 5. Shasta daisy needs about 105 days from sowing to first bloom.
Shasta Daisy planting windows in every zone
Zone 9b is highlighted. Useful for comparing against a neighbouring zone, or for a garden somewhere else.
| Zone | Start indoors | Sow or plant out | Bloom |
|---|---|---|---|
| 4a & 4b | Mar 27–Apr 3 | Apr 24–May 1 | Aug 7–Aug 14 |
| 5a & 5b | Mar 22–Mar 29 | Apr 19–Apr 26 | Aug 2–Aug 9 |
| 6a & 6b | Mar 7–Mar 14 | Apr 4–Apr 11 | Jul 18–Jul 25 |
| 7a & 7b | Feb 20–Feb 27 | Mar 20–Mar 27 | Jul 3–Jul 10 |
| 8a & 8b | Feb 4–Feb 11 | Mar 4–Mar 11 | Jun 17–Jun 24 |
| 9a & 9b (your zone) | Dec 28–Jan 4 | Jan 25–Feb 1 | May 10–May 17 |
Bloom dates are about 105 days after the sow or plant-out date, not after starting seeds indoors.
Good companions
No well-established companions for Shasta daisy.
Where to buy Shasta daisy seeds
True Leaf Market · Burpee (each supplier's Shasta daisy seeds)
Varieties we recommend, and where to get them:
- 'Crazy Daisy': A double-flowered type Missouri Botanical Garden lists at 2-2.5 feet, with frilly, twisted white rays instead of the flat single petals of Becky or Snowcap. Buy: True Leaf Market Full notes
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See it growing
Search YouTube for "growing Shasta daisy" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)
← Back to the full zone 9b calendar · Plan your beds in the Garden Designer →
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Growing Shasta Daisy in USDA zone 9b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.
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