Cilantro is a popular herb, beloved for its fresh leaves and flavorful seeds. In Arkansas, knowing when to plant cilantro is crucial for successful growth, as this cool-season crop thrives in the mild temperatures of spring and fall. The frost dates for the state vary significantly by region, with the last spring frost in Zone 6b typically around April 7 and in Zone 7a as early as March 29.
With Arkansas's changing climate, understanding your hardiness zone can significantly impact when you should direct sow cilantro to enjoy the best flavors. Especially in Zone 6a, the median last spring frost is April 16, indicating a shorter growing season than in warmer regions. Proper timing can help ensure that your plants mature before the heat causes them to bolt.
Growing cilantro requires attention to detail, particularly with temperature sensitivity. This herb bolts quickly in heat, making it essential to plant at appropriate times to maximize your harvest. For instance, as frost-free days extend into late fall, you should plan your planting accordingly to ensure harvest dates align with ideal conditions.
| Zone | Indoor start | Transplant out | Direct sow | Harvest |
|---|---|---|---|---|
| Zone 6b | Not recommended — direct sow only | Not recommended — direct sow only | Start March 30 – April 10, ~2 weeks after April 7 | May 15 – June 30, ~6 weeks after direct sowing |
| Zone 7a | Not recommended — direct sow only | Not recommended — direct sow only | Start March 15 – March 29, ~2 weeks after March 29 | April 30 – June 15, ~6 weeks after direct sowing |
| Zone 6a | Not recommended — direct sow only | Not recommended — direct sow only | Start April 1 – April 16, ~2 weeks after April 16 | May 15 – June 15, ~6 weeks after direct sowing |
Cold pockets may push back the planting dates by a week or two. Be mindful of local frost dates and adjust your direct sowing schedule accordingly to avoid any frost damage.
By May, temperatures may become too high for cilantro, causing it to bolt. However, if your area has milder conditions, you can attempt a late planting, just keep an eye on the temperature.
To minimize bolting, plant cilantro in early spring when temperatures are still cool. Regular succession sowing every few weeks can help keep a consistent harvest throughout the cooler season.
Yes, thinning out seedlings ensures adequate space for each plant. Overcrowding can lead to weak growth and increased competition for nutrients and sunlight, affecting overall yield.
Cilantro prefers well-draining, loamy soil with a neutral pH. In Arkansas, testing soil and amending it with compost can improve the growing conditions for a successful crop.
Typical fall sowing window for Cilantro in Arkansas: August 7 – August 28.