This guide answers when to plant cilantro zone 7 with timing worked out from USDA Zone 7 frost-date averages, not guesswork. Cilantro is the cool-season herb that gives salsas, curries and salads their fresh, citrusy bite — and it is a herb of two seasons in Zone 7, thriving in spring and autumn but bolting to seed at the first sign of summer heat. Grow it in the cool months, sow a little every few weeks, and you will have fresh leaves for most of the year. Let one plant go to seed and you get coriander, the dried spice, as a bonus.
Zone 7 at a glance
Zone 7 covers areas where average annual minimum temperatures run 0 to 10°F. The average last spring frost falls in the Mar 15–Apr 1 range and the average first autumn frost in the Nov 1–15 range — these are USDA zone averages from USDA and NOAA frost records, not exact dates for any one garden, so check your local extension service before planting tender crops outside. Use the frost date calculator to work out dates for your own garden, and browse the planting calendar hub for the full Zone 7 year.
When to plant cilantro in Zone 7
| Step | Timing in Zone 7 |
|---|---|
| Start indoors | Not needed — direct sow for best results |
| Direct sow outdoors | March to April, about 2 to 4 weeks before the last frost; sow every 2 to 3 weeks |
| Transplant outdoors | Rarely transplanted — sow in place |
| Autumn / second sowing | September for a autumn crop |
| Harvest | May to June (spring sowing); October to November (autumn sowing) |
The table above is the short answer. The detail matters because cilantro is hardy — a hardy crop that tolerates light frost, so it can go out weeks before the last frost. Start indoors when the table says so, using the seed-starting calculator to count back from your last frost, and harden seedlings off for a week before they go outside. The Zone 7 March guide shows what else is happening in the garden in that month.
How to plant cilantro
Direct sow in March to April, about 2 to 4 weeks before the last frost, sowing seed about a quarter of an inch deep and 6 to 8 inches apart; germination takes 7 to 14 days. Cilantro prefers part shade in Zone 7 — afternoon shade in late spring slows bolting. Keep the soil evenly moist, sow succession rows every 2 to 3 weeks, and sow again in September for an autumn crop.
Give cilantro part shade — at least six hours of direct sun a day for full-sun crops, or morning sun with afternoon shade where part shade is listed. Prepare the bed by forking in compost and removing stones and weeds, and check the soil pH: cilantro prefers 6.0–7.0. Space plants 6–8 inches apart — the spacing in the table below — and sow seed at the depth on the packet, keeping the seedbed moist until germination, which takes 7–14 days.
| Fact | Range |
|---|---|
| Sun | part shade |
| Days to germination | 7–14 |
| Days to maturity | 45–60 |
| Spacing | 6–8 inches |
| Soil pH | 6.0–7.0 |
| Sowing method | direct sow |
| Cold tolerance | hardy |
| Water needs | moderate |
Watering and feeding
Cilantro has moderate water needs: steady moisture keeps leaves tender and delays bolting, while dry soil pushes plants to flower quickly. Water at the base and mulch to keep roots cool. It needs little feeding — compost at planting is enough — and too much nitrogen makes soft growth that wilts fast after picking.
A layer of mulch — straw, shredded leaves or compost — helps on both fronts: it holds moisture in the soil, keeps roots cool, and stops soil splashing onto leaves and fruit. Keep mulch a few inches away from stems so it does not trap damp against them.
Companion plants and rotation
Good companions for cilantro include tomatoes, peppers, marigolds, cabbage. Use the companion planting finder to plan combinations for your whole bed. Rotate crops each year: do not plant cilantro where the same family grew last year, and keep a simple note of what grew where so you can rotate properly next season. Also see our guide to when to plant parsley in Zone 7, which pairs well with cilantro in a Zone 7 bed.
Pests and problems
The common pests for cilantro are carrot rust fly, aphids, wireworms. Cilantro has few pests, but aphids can gather on young growth — wash them off with a strong jet of water. Check plants weekly, looking under leaves as well as on top — most problems are easy to deal with if caught early. Good air flow helps: do not crowd plants, water at the base rather than over the leaves, and clear away dead leaves and debris where pests hide.
Harvesting and storing
Harvest outer leaves once plants are about 6 inches tall, usually 45 to 60 days after sowing, cutting what you need and letting the centre keep growing. Use leaves fresh the same day, since cilantro wilts quickly and does not dry well. If plants bolt, let them flower — the seeds are coriander, which you can dry and store for cooking, or leave to self-sow for next season.
For the best flavour, harvest in the morning, when plants are cool and their moisture and oils are at their best, and use a sharp knife or scissors for a clean cut that heals quickly.
Frequently asked questions
When should I plant cilantro in Zone 7?
March to April, about 2 to 4 weeks before the last frost; sow every 2 to 3 weeks. As a rule, work back from the average last frost range of Mar 15–Apr 1 for spring planting, and back from the average first frost range of Nov 1–15 for autumn planting. These are zone averages, so check your local extension service for your area.
Can I grow cilantro in containers?
Yes, in most cases — choose a pot at least 12 inches deep with drainage holes, fill it with good potting mix, and water more often than beds, since pots dry out faster. Container growing suits cilantro well, especially where garden soil is heavy or space is limited.
How long does cilantro take to grow?
About 45–60 days to maturity from sowing or transplanting, depending on variety and weather. Germination takes 7–14 days. Warm, sunny weather speeds growth; cold or cloudy weather slows it, so treat these as ranges, not exact dates.
What soil pH does cilantro need?
A pH of 6.0–7.0 is ideal. Test your soil before planting and amend it if needed — your local extension service can test a sample and advise on what to add.
What grows well with cilantro?
Good companions include tomatoes, peppers, marigolds, cabbage. Avoid planting it where the same family grew last year, and give it the spacing and sun listed in the table above so companions do not crowd it out.