Slo Bolt

Family: Apiaceae Herb

Planting Schedule

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Slo Bolt cilantro bursts with a vivid, cool-green fragrance and a crisp, lively bite that stays bright from first harvest to the next.

The leaves are finely cut and tender, with a clean, aromatic flavor that shines in fresh salads and salsa, and lends a fragrant lift to sauces, marinades, and quick pickling blends. A favorite for gardeners who want dependable, flavorful foliage with a steady rhythm—45 days to maturity for a garden-to-table burst of green.

Light: Part SunMaturity: 45 DaysHabit: Upright

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Slo Bolt Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Direct Sow	Jun 1st	Jul 16th – Aug 1st
Zone 2a	Direct Sow	May 25th	Jul 9th – Aug 29th
Zone 2b	Direct Sow	May 15th	Jun 29th – Aug 25th
Zone 3a	Direct Sow	May 15th	Jun 29th – Sep 1st
Zone 3b	Direct Sow	May 19th	Jul 3rd – Sep 21st
Zone 4a	Direct Sow	May 15th	Jun 29th – Sep 24th
Zone 4b	Direct Sow	May 13th	Jun 27th – Sep 27th
Zone 5a	Direct Sow	May 8th	Jun 22nd – Sep 30th
Zone 5b	Direct Sow	May 4th	Jun 18th – Oct 5th
Zone 6a	Direct Sow	May 1st	Jun 15th – Oct 10th
Zone 6b	Direct Sow	Apr 25th	Jun 9th – Oct 16th
Zone 7a	Direct Sow	Apr 20th	Jun 4th – Oct 20th
Zone 7b	Direct Sow	Apr 10th	May 25th – Oct 28th
Zone 8a	Direct Sow	Apr 1st	May 16th – Nov 5th
Zone 8b	Direct Sow	Mar 23rd	May 7th – Nov 12th
Zone 9a	Direct Sow	Mar 6th	Apr 20th – Nov 26th
Zone 9b	Direct Sow	Feb 9th	Mar 26th – Dec 9th
Zone 10a	—	Oct 1st	Nov 15th – Feb 28th
Zone 10b	—	Oct 1st	Nov 15th – Feb 28th
Zone 11a	—	Oct 1st	Nov 15th – Feb 28th
Zone 11b	—	Oct 1st	Nov 15th – Feb 28th
Zone 12a	—	Oct 1st	Nov 15th – Feb 28th
Zone 12b	—	Oct 1st	Nov 15th – Feb 28th
Zone 13a	—	Oct 1st	Nov 15th – Feb 28th
Zone 13b	—	Oct 1st	Nov 15th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	45
Sun Requirements	Part Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Surface
Germination Temp (°F)	70
Min Soil Temp (°F)	50
Min Night Temp (°F)	32
Harden Off (days)	Not Required

Culinary Notes

Chef's Note

Slo Bolt’s finely cut, tender foliage keeps its cool, aromatic character when you treat it like a finishing herb—stir in off-heat or right before serving. Expect a crisp, citrusy-herbal bite that cuts through fat and salt like it’s built for bright salsas and lime-driven marinades.

Best Uses

fresh salsa and pico where the leaves stay lively, not mushy
raw salads and grain bowls—added at the last second to keep the aroma up
marinades and quick sauces where you want a fragrant lift rather than a cooked-down flavor
quick pickling blends (brine-friendly) for herbaceous snap

Flavor Profile

cool-green, vivid cilantro aroma crisp, finely cut tenderness bright, clean herbal bite with a faint citrusy lift

Kitchen Pairings

lime jalapeño avocado fish (especially ceviche-style preparations) black beans

Frequently Asked Questions

What pest or disease issue commonly affects Coriandrum sativum (cilantro), and how do I control it at home?

Cilantro commonly gets powdery mildew (white, dusty growth) when airflow is poor and nights are humid. At the first signs, improve spacing for better airflow, water at the soil line (not the leaves), and remove the most affected foliage. If you have to treat, use a potassium bicarbonate or horticultural oil product labeled for edible herbs and follow the label’s reapplication interval.

How often should I water Coriandrum sativum during the main growing phase, and what soil moisture should I maintain?

During active leaf growth (roughly weeks 1–6), keep the soil evenly moist but not soggy—aim for top 1 inch to dry slightly before watering again. In warm weather, this usually means watering every 1–3 days, depending on your container size and sun exposure. Consistent moisture helps prevent early bolting and leaf bitterness; irregular drying and re-wetting makes cilantro bolt sooner.

How can I tell when Coriandrum sativum is ready to harvest (45 days to maturity)?

Harvest cilantro leaves when plants are about 6–10 inches tall and you can pinch off outer stems without pulling the whole plant. For best flavor, start harvesting around day 35–45, taking leaves in the morning before heat triggers faster bolting. If you want seed, let flower umbels dry on the plant until they turn brown and feel dry and papery, then cut and finish drying indoors.