When to plant dill
Herb, half hardy
Sow a week or two before the last hard frost and repeat every 10–14 days while the weather stays cool. It takes a light frost and bolts when summer heat arrives. No days-to-maturity figure was on the pages opened.
The general rule
- Sow outdoors
- 1–2 weeks before the last spring frost
- Days to maturity
- Varies by variety
What that means in different climates
The same rule applied to the safer frost dates of cities from cold to frost-free.
| City | Last frost · safer | Sow outdoors |
|---|---|---|
| San Jose, CA | Jan 23 | Jan 9 – Jan 16 |
| Tucson, AZ | Mar 2 | Feb 16 – Feb 23 |
| Portland, OR | Mar 21 | Mar 7 – Mar 14 |
| Baltimore, MD | Apr 4 | Mar 21 – Mar 28 |
| New York, NY | Apr 12 | Mar 29 – Apr 5 |
| Nashville, TN | Apr 16 | Apr 2 – Apr 9 |
| Louisville, KY | Apr 23 | Apr 9 – Apr 16 |
| Omaha, NE | May 6 | Apr 22 – Apr 29 |
| Colorado Springs, CO | May 15 | May 1 – May 8 |
| Miami, FL | Frost rare | Frost is rare: fall and winter. |