Growing Water Parsley in Zone 10b
Zone 10b has a year-round growing season. Water Parsley can be planted almost any time with proper planning. Last frost: Jan 28. First frost: Dec 22.
Planting Calendar
Season: Jan 28 – Dec 22 (328 days)
When to Plant Water Parsley in Zone 10b
Start Seeds Indoors: Dec 3
Start Water Parsley seeds indoors around Dec 3 (8 weeks before last frost). Optimal germination temperature: 70°F. Germinates in 14–28 days.
Transplant Outdoors: Jan 14
Transplant Water Parsley seedlings outdoors after Jan 14. 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 5
First harvest approximately Mar 5 (~50 days from transplant). Continue harvesting until first frost (Dec 22).
Companion Planting
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 13bFrequently Asked Questions
When should I plant Water Parsley in Zone 10b?
Start Water Parsley seeds indoors around Dec 3. Transplant outdoors after Jan 14. Expect first harvest around Mar 5.
What is the last frost date for Zone 10b?
The average last spring frost date for Zone 10b is Jan 28. The first fall frost averages Dec 22, giving a 328-day growing season.
Can I grow Water Parsley in Zone 10b?
Yes. Water Parsley needs 75 days to harvest. Zone 10b has a 328-day growing season, which is sufficient.
What is the best month to plant Water Parsley in Zone 10b?
The best time to start Water Parsley in Zone 10b is Dec. Begin seeds indoors around Dec 3, then transplant outdoors after the last frost date of Jan 28.
What companion plants grow well with Water Parsley?
Good companion plants for Water Parsley include Watercress.
How long does Water Parsley take to harvest?
Water Parsley takes approximately 75 days from planting to harvest. In Zone 10b, expect your first harvest around Mar 5.
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