When to Plant Cilantro in California (2026 Guide)

Cilantro is a versatile herb that's a staple in many kitchens, prized for its distinct flavor in cuisines from around the world. In California, growing cilantro can yield fresher and more aromatic leaves than what you'd typically find in grocery stores. It’s essential to understand the local climate conditions to maximize your harvest, particularly when considering frost dates in your area. For instance, if you reside in a Zone 8b area, the median last spring frost occurs on January 31, which influences your planting schedule.

As a cool-season herb, cilantro experiences rapid bolting in warmer weather, making it crucial to plant at the right time to enjoy its flavorful leaves. In cities like Sacramento and San Diego, where the climate may vary, timing your planting accurately becomes vital for a successful harvest. Cilantro typically bolts and flowers in response to heat and long days, so engaging in regular succession planting is encouraged for continuous leaf supply. The median first fall frost in Zone 7b is November 27, giving you ample time to plant.

If you're looking to cultivate cilantro this year, understanding your USDA hardiness zone will help you determine the best planting and harvesting times. In areas within Zone 9b, the unique conditions require careful attention, as you'll have no frost-free season to navigate. Each zone presents unique challenges and opportunities for cilantro cultivation; being informed will lead to a bountiful herb garden for your culinary needs. So, whether you’re in Los Angeles or Bakersfield, let’s dive into the specifics of planting cilantro in California.

Planting Schedule by USDA Zone in California

Zone	Indoor start	Transplant out	Direct sow	Harvest
Zone 8b–9a	Not recommended — direct sow only	Not recommended — direct sow only	Start February 1 – February 15, ~6 weeks before April 10	Harvest late March – May 15, ~3–6 weeks after sowing
Zone 7b–8a	Not recommended — direct sow only	Not recommended — direct sow only	Start March 5 – March 20, ~6 weeks before April 10	Harvest late April – June 1, ~3–6 weeks after sowing
Zone 9b	Not recommended — direct sow only	Not recommended — direct sow only	Start January 12 – January 26, ~6 weeks before March 15	Harvest February 22 – March 31, ~6 weeks after sowing

Cilantro Planting Windows in California

Indoor start: Cilantro is not suitable for indoor starts; direct sowing is necessary and recommended instead.
Transplant outdoors: Transplanting cilantro outdoors is not recommended; direct sowing from February 1 to February 15 is advised.
Harvest: For cilantro planted in California, the harvest window generally opens late March through May 15, depending on your planting time.

Common Mistakes Growing Cilantro in California

Failing to direct sow cilantro is a common mistake in California. Many new gardeners mistakenly attempt to transplant seedlings instead of sowing seeds directly into the soil, which can lead to poor growth and prompt bolting due to stress.
Planting cilantro too late in the season can also be detrimental. California's heat can arrive swiftly, particularly in regions like Los Angeles, which can cause cilantro to bolt if planted too close to warmer weather. Timing is essential!
Some gardeners in California might overlook soil conditions when planting cilantro. This herb prefers well-draining soil, and heavy clay soils common in many areas of the state can lead to rot and poor growth. Consider amending your soil appropriately before planting.
Ignoring succession planting is another mistake many make. Given cilantro's tendency to bolt within a short period, planting in intervals every few weeks is necessary for a continuous harvest of fresh leaves throughout the cooler months of California.
Lastly, planting cilantro too close to dill without proper spacing can result in hybrid seeds with inconsistent flavors. For best results in California's diverse climate, maintain a distance of at least 3–4 feet to ensure flavor integrity.

Frequently Asked Questions

Can I still plant cilantro in May?

It's not advisable to plant cilantro in May in California due to warmer temperatures that promote bolting. Instead, try to complete your plantings by late March or early April for optimal leaf production.

What if I'm in a cold pocket of California?

In colder areas, consider using row covers to protect your cilantro during late frosts. This will allow you to extend your planting window and enjoy fresh cilantro longer.

How often should I water cilantro?

Cilantro prefers moderate moisture. Water regularly, keeping the soil moist but not soggy. Adjust your watering schedule based on California's hot, dry conditions for best results.

What variety of cilantro is best for coastal areas?

For coastal regions in California where temperatures fluctuate, varieties like 'Santo' are recommended. They are slow-bolting and remain productive longer before flowering.

Is it true that cilantro sometimes tastes soap-like?

Yes, some people experience a soapy taste when eating cilantro, which is genetic. It's not related to the quality of the plant; rather, it’s an individual's perception based on their genetics.

Keep Learning

Typical fall sowing window for Cilantro in California: September 13 – October 4.