Parsley is the herb no kitchen garden should be without — flat-leaf for cooking, curly for garnish — and it is a patient, long-lived plant that will give you leaves for a year or more in Zone 8. The only catch is its famously slow germination: seed can take 14–28 days to appear, which tests every gardener's patience. This guide covers when to plant parsley in Zone 8 and how to get it going and keep it producing.
Zone 8 at a glance
Zone 8 covers parts of the southern United States, the Pacific Northwest coast and parts of California, where average winter lows run 10 to 20°F. The average last spring frost falls Mar 1–15 and the average first autumn frost Nov 15–Dec 1. Those are USDA zone averages drawn from NOAA frost records, not exact dates for any one garden — frost dates vary by microclimate, elevation and year, so always check your local extension service and the forecast before planting. Use the frost date calculator for your own averages, and browse the planting calendar hub for the full Zone 8 year.
When to plant parsley in Zone 8
| Step | Timing in Zone 8 |
|---|---|
| Start indoors | January to February, 8 to 10 weeks before transplanting |
| Direct sow outdoors | February to April |
| Transplant outdoors | March to April, after hardening off |
| Autumn sowing | September, for winter and spring leaves |
| Harvest | 70–90 days after sowing, picking outer leaves |
Parsley is hardy and can be sown before the average last frost of Mar 1–15 — February sowings under a cloche do well in Zone 8. The Zone 8 March guide is the main window for direct sowing and transplanting, and a September sowing gives leaves through winter into the following spring. Use the seed starting calculator to work out dates for your own garden.
How to start parsley
Sow direct where it is to grow, or start indoors in January to February in modules — parsley transplants well if handled gently. Germination takes 14–28 days, so do not give up on the row: keep it damp the whole time, and soaking seed overnight before sowing can speed things a little. Thin seedlings to 6–8 inches apart. Plants started indoors need hardening off for a week before they go out in March to April.
Soil, spacing and sun
Parsley wants full sun — though it tolerates a little shade in Zone 8's summer — and rich, moisture-holding soil. Fork in plenty of compost and aim for a soil pH of 6.0–7.0. Space plants 6–8 inches apart. It grows well in containers on a sunny step, which is handy for keeping a plant close to the kitchen door.
| Fact | Range |
|---|---|
| Sun | full sun |
| Days to germination | 14–28 |
| Days to maturity | 70–90 |
| Spacing | 6–8 in |
| Soil pH | 6.0–7.0 |
| Sowing method | both |
| Cold tolerance | hardy |
All figures are broad published ranges from standard horticultural references, and they vary by variety, soil and weather. Check your local extension service for advice on your own garden.
Watering and feeding
Water needs are moderate: keep the soil evenly moist, especially while seed is germinating and in hot weather. A dry plant goes tough and bitter. Water deeply once or twice a week and mulch to hold moisture. Parsley in pots needs checking often in summer.
Companion planting
Tomatoes, peppers, marigolds and cabbage are listed companions, and parsley is a genuinely useful neighbour: its flowers attract hoverflies and other beneficial insects, and it is traditionally planted with tomatoes and asparagus. It also fits well among other herbs and salads without competing hard. The companions listed for parsley in standard references are tomatoes, peppers, marigolds, cabbage.
Pests and problems
Carrot rust fly, aphids and wireworms are the listed pests, since parsley is in the carrot family. Cover young plants with fleece against rust fly, wash aphids off with water, and avoid freshly dug grassland, where wireworms are worst. Parsley is generally a trouble-free herb, and most problems come from drought or poor soil rather than pests. The pests most often listed for parsley are carrot rust fly, aphids, wireworms. Inspect plants weekly, act early while numbers are small, and encourage natural predators such as ladybirds and hoverflies.
Harvest and storage
Start picking 70–90 days after sowing, taking the outer stems first and leaving the centre to keep growing. Cut stems low, near the base, and pick little and often — regular picking keeps the plant producing new leaves. Parsley is a biennial: it leafs well in its first year, then flowers and sets seed in its second spring, after which the leaves turn bitter. Sow a fresh batch each year, and freeze chopped parsley in ice-cube trays if you have a glut.
Frequently asked questions
When should I plant parsley in Zone 8?
Direct sow from February to April, or start indoors in January to February and transplant in March to April. It is hardy, so it can be sown before the average last frost of Mar 1–15. Sow again in September for winter leaves.
Why is my parsley seed not germinating?
Parsley is famously slow — germination takes 14–28 days. The seedbed must stay damp the whole time; if it dries out, the seed dies. Sow, water well, cover the row with a plank or fleece to hold moisture, and wait.
Flat-leaf or curly parsley?
Flat-leaf has the stronger flavour and is better for cooking; curly is milder and traditionally used as a garnish. Both grow the same way in Zone 8, so grow the one you cook with — or one of each.
How long does a parsley plant last?
Parsley is a biennial: it produces leaves through its first year and into winter in Zone 8, then flowers and sets seed in its second spring. Sow fresh plants every year for a continuous supply.
For the full year, browse the planting calendar hub. Compare with Parsley in Zone 7, and see also Basil in Zone 8.