Growing rosemary: from seed to harvest
Plant a nursery transplant in full sun and sharp drainage. In rainy climates set it on a mound or in a pot so water drains away. Tender: where winters freeze, grow it in a pot and bring it in for the cold months.
Planting dates for rosemary by zone
| Zone | Start seeds indoors | Sow or transplant | Harvest |
|---|---|---|---|
| Zone 3 | Not suited | ||
| Zone 4 | Not suited | ||
| Zone 5 | Not suited | ||
| Zone 6 | Not suited | ||
| Zone 7 | Not suited | ||
| Zone 8 | not needed | March 19 | July 12 |
| Zone 9 | not needed | February 19 | June 18 |
| Zone 10 | not needed | March 23 | July 19 |
| Zone 11 | not needed | March 22 | July 21 |
Each date is the start of the best window from the same climate engine the Dibble app uses, run at typical places in each zone. Dibble tunes them to your garden's own location and lets you adjust frost dates for your own yard.
Companion plants
Good neighbors for Rosemary:
Family and rotation
Rosemary is in the mints family. Aromatic herbs: interplant freely; few rotation concerns. Learn about crop rotation.
Related crops
Basil
When to plantMint
When to plantThyme
When to plantOregano
When to plantSage
When to plantLavender
When to plant
Questions
When should I plant rosemary?
It depends on your zone. Rosemary is a tender crop, so the timing follows your last spring frost. Look up your zone in the table below for exact start, sow, and harvest dates, or open Dibble and set where your garden is to get your own calendar.
How long does it take to grow rosemary?
About 120 days from transplant to the first harvest, with a picking window of roughly 200 days after that.
What grows well with rosemary?
Good companions include Cabbage, Bean (bush), Carrot.
Plant at the right time this season
Dibble builds your calendar in under a minute. Free to start, no account needed.