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Cilantro Growing Guide
Apiaceae family
Days to Harvest30 days
SunlightPart Sun / Part Shade
Frost ToleranceLight
Spacing4/sqft (6" apart)
Germination7-14 days
HardinessSemi Hardy
Germ. Temp65°F
Companion Planting
Growth Stages
- Seedling
- Establishing
- Mature / Harvest Ready
Planting Dates by Zone
| Zone | Start Indoors | Transplant | Direct Sow | Harvest |
|---|---|---|---|---|
| Zone 1a | — | — | May 11 | Jun 10 |
| Zone 1b | — | — | May 11 | Jun 10 |
| Zone 2a | — | — | May 1 | May 31 |
| Zone 2b | — | — | May 11 | Jun 10 |
| Zone 3a | — | — | May 8 | Jun 7 |
| Zone 3b | — | — | May 1 | May 31 |
| Zone 4a | — | — | Apr 21 | May 21 |
| Zone 4b | — | — | Apr 17 | May 17 |
| Zone 5a | — | — | Apr 14 | May 14 |
| Zone 5b | — | — | Apr 14 | May 14 |
| Zone 6a | — | — | Apr 14 | May 14 |
| Zone 6b | — | — | Apr 1 | May 1 |
| Zone 7a | — | — | Apr 1 | May 1 |
| Zone 7b | — | — | Mar 27 | Apr 26 |
| Zone 8a | — | — | Mar 22 | Apr 21 |
| Zone 8b | — | — | Mar 8 | Apr 7 |
| Zone 9a | — | — | Mar 6 | Apr 5 |
| Zone 9b | — | — | Feb 24 | Mar 26 |
| Zone 10a | — | — | Feb 6 | Mar 8 |
| Zone 10b | — | — | Jan 14 | Feb 13 |
| Zone 11a | — | — | Jan 14 | Feb 13 |
| Zone 11b | — | — | Jan 1 | Jan 31 |
| Zone 12a | — | — | Dec 18 | Jan 17 |
| Zone 12b | — | — | Dec 18 | Jan 17 |
| Zone 13a | — | — | Dec 18 | Jan 17 |
| Zone 13b | — | — | Dec 18 | Jan 17 |
Frequently Asked Questions
How long does it take to grow Cilantro?
Cilantro takes approximately 30 days from planting to harvest.
How much sun does Cilantro need?
Cilantro requires part sun / part shade.
How far apart should I plant Cilantro?
Plant Cilantro at 4/sqft (6" apart) using square foot gardening spacing.
Can Cilantro survive frost?
Cilantro is tolerant of light frost.
What are good companion plants for Cilantro?
Good companion plants for Cilantro include Tomatoes, Peppers, Beans, Peas, Spinach. Avoid planting near Fennel, Dill.
How long does Cilantro take to germinate?
Cilantro seeds germinate in 7-14 days at an optimal temperature of 65°F.
Growing Tips
- Succession-sow every 2-3 weeks from early spring through fall
- Choose slow-bolt varieties like Calypso or Santo for summer growing
- Let some plants flower and set seed for coriander harvest
Common Pests & Diseases
- Aphids
- Leaf spot
- Bolting (physiological)
Harvest Notes
Harvest outer leaves when plants are 6 inches tall. Once flower stalks appear, leaf flavor changes. Collect seeds when brown and dry.
Plan Your Cilantro Garden
Track Cilantro from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.
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