Virginia planting calendar

When to plant rosemary in Virginia — sow, transplant & harvest dates

Virginia is mostly USDA zone 7b (range 5b-8a). Dates below are derived from rosemary's frost tolerance and Virginia's frost window — not generic national averages.

Rosemary planting timetable for Virginia

Stage	When in Virginia	Anchor
Start seeds indoors	early February (February 4)	10 weeks before the last frost (mid-April)
Transplant outside	late April (April 29)	14 days after the last frost (mid-April)
First harvest (estimate)	late July (July 28)	~90 days from transplant

Dates are state-wide averages for the dominant zone. Local microclimates — elevation, urban heat, coastal moderation — can shift the window by 1-2 weeks. Use the frost-date calculator for a date tuned to your town.

Why Virginia's climate shifts the rosemary dates

Virginia's last spring frost averages mid-April and first fall frost late October, which sets the whole planting clock. Virginia runs from cool mountains through the Piedmont to a mild Tidewater, giving a long, varied mid-Atlantic season. Wait for warm soil — rosemary stall in cold ground even after the air warms, so don't rush them out.

Start seeds indoors 10–12 weeks before the last frost; germination is slow and erratic (14–21 days at 18–21 °C / 65–70 °F) with low viability, so propagation by stem cuttings is preferred by most Extension services. Transplant outdoors after the last frost once soil has warmed — rosemary is perennial only in USDA zones 7–10 (established plants survive to about −12 °C / 10 °F); in zones 6 and colder treat as a tender annual or overwinter potted plants indoors before the first autumn frost. Tip harvests of stem ends begin around 80–100 days from transplant.

Frost-risk note

Don't plant before mid-April — a hard freeze can still set young plants back. In the western Appalachian highlands (zone 5b) the safe date runs a week or two later.

Regional variation within Virginia

the western Appalachian highlands (zone 5b) runs roughly 1-2 weeks behind the state average; the Tidewater and Hampton Roads coast (zone 8a) can plant 1-2 weeks earlier.

Virginia Beach — USDA zone 8a
Richmond — USDA zone 7b
Norfolk — USDA zone 8a
Arlington — USDA zone 7b
Roanoke — USDA zone 7a

What else to plant in Virginia around then

Pair the post-frost slot with other warm-season crops — peppers, beans, squash, and cucumbers.

Quick-grow guide

Sun: Full sun — 6+ hours direct.
Soil temperature for germination: 18–21 °C (65–70 °F).
Spacing: 18–36 inches (45–90 cm) between plants.
Days to harvest: ~90 days from planting out.

Frequently asked questions

When is the best time to plant rosemary in Virginia?

In Virginia (mostly USDA zone 7b), sow rosemary indoors around early February, transplant outdoors late April (after the last frost, mid-April), and harvest from late July. Rosemary are half-hardy — young plants shrug off a light frost but not a hard freeze, so sowing can start a couple of weeks before the last spring frost.

What USDA zone is Virginia?

Most of Virginia sits in USDA hardiness zone 7b, with the state spanning roughly 5b-8a from the western Appalachian highlands (zone 5b) to the Tidewater and Hampton Roads coast (zone 8a). The last spring frost averages mid-April and the first fall frost late October.

Can you grow rosemary in Virginia?

Yes. Virginia's dominant zone 7b supports rosemary — the key is timing. Rosemary are half-hardy — young plants shrug off a light frost but not a hard freeze, so sowing can start a couple of weeks before the last spring frost.

Does the planting date change across Virginia?

the western Appalachian highlands (zone 5b) runs roughly 1-2 weeks behind the state average; the Tidewater and Hampton Roads coast (zone 8a) can plant 1-2 weeks earlier.

What else can I plant in Virginia around the same time?

Pair the post-frost slot with other warm-season crops — peppers, beans, squash, and cucumbers.

Source and methodology

State zone spans from the USDA Plant Hardiness Zone Map (2023); frost-date averages from NOAA Climate Data Online. Hot-state two-season timing cross-checked against the UF/IFAS Florida Gardening Calendar and the University of Arizona Cooperative Extension planting calendar. Curated by the Growli editorial team.