When should I plant Water Parsley in Zone 10a?

Start Water Parsley seeds indoors around Dec 26. Transplant outdoors after Feb 6. Expect first harvest around Mar 28.

What is the last frost date for Zone 10a?

The average last spring frost date for Zone 10a is Feb 20. The first fall frost averages Dec 1, giving a 284-day growing season.

Can I grow Water Parsley in Zone 10a?

Yes. Water Parsley needs 75 days to harvest. Zone 10a has a 284-day growing season, which is sufficient.

Growing Water Parsley in Zone 10a

Zone 10a has a year-round growing season. Water Parsley can be planted almost any time with proper planning. Last frost: Feb 20. First frost: Dec 1.

Planting Calendar

Indoor

Outdoor

Harvest

Dec 26Dec 1

Season: Feb 20 – Dec 1 (284 days)

Zone10a

Last FrostFeb 20

First FrostDec 1

Season Length284 days

Days to Harvest75

Sunfull-to-part

Frost ToleranceLight

Spacing4/sqft (6" apart)

When to Plant Water Parsley in Zone 10a

Start Seeds Indoors: Dec 26

Start Water Parsley seeds indoors around Dec 26 (8 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 14–28 days.

Transplant Outdoors: Feb 6

Transplant Water Parsley seedlings outdoors after Feb 6. Wait until soil temperature reaches 50°F. Space plants at 4/sqft (6" apart). Harden off plants for a week before moving outside.

Harvest: Mar 28

First harvest approximately Mar 28 (~50 days from transplant). Continue harvesting until first frost (Dec 1).

Companion Planting

✅ Watercress

Water Parsley in Other Zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

Plan Your Water Parsley Garden

Track Water Parsley from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Water Parsley Growing Guide