When to plant shungiku (edible chrysanthemum) in Montana
Montana spans USDA zones 4b–5b, so the right time to plant shungiku (edible chrysanthemum) shifts by weeks across the state. The window to sow seed directly outdoors runs from about April 13 in Billings to May 23 in Butte-Silver Bow — below are local dates for 8 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Billings | 5a | May 4 | October 7 | April 13 – May 18 |
| Missoula | 5b | May 10 | October 1 | April 19 – May 24 |
| Great Falls | 4b | May 6 | October 1 | April 15 – May 20 |
| Bozeman | 5a | May 26 | September 22 | May 5 – June 9 |
| Butte-Silver Bow | 5a | June 13 | September 5 | May 23 – June 27 |
| Helena | 5a | May 9 | September 30 | April 18 – May 23 |
| Kalispell | 5b | May 31 | September 10 | May 10 – June 14 |
| Belgrade | 5a | May 26 | September 16 | May 5 – June 9 |
Shungiku (Edible Chrysanthemum) in Montana: FAQ
When can I plant shungiku (edible chrysanthemum) in Montana?
Across Montana, the time to direct-sow shungiku (edible chrysanthemum) spans roughly April 13 in Billings to May 23 in Butte-Silver Bow, each following that city's local frost dates.
Does the shungiku (edible chrysanthemum) planting date vary across Montana?
Yes. Montana publishes 8 cities with their own frost dates, so the right shungiku (edible chrysanthemum) planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does shungiku (edible chrysanthemum) take to grow in Montana?
Shungiku (Edible Chrysanthemum) takes about 30–45 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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