Where to Grow. Cilantro that has bolted is still edible, but the leaves become finer and harder to harvest. But if you have the space, allow a few plants to flower, and watch what happens. Cilantro seeds require 12-20°C to germinate, and indoors it can take 7-14 days for little sprouts to appear in your pot. This means that the ideal cilantro growing conditions are cool but sunny. Cilantro is an annual herb that grows to a height of 45 – 60 centimeters. If you’re growing cilantro in rows, dig ½” (1 cm) deep furrows 8” (20 cm) apart, and plant seeds every 2” (5 cm) along the row. Cilantro Varieties Plant on 8” (20 cm) centers, instead of 6” (15 cm) centers. Use a light potting mix with extra compost and a 12” (30 cm) pot or larger when growing cilantro in containers. Top of Page Cilantro is notorious for a polarized fan/enemy base. Fertilizing with a high-nitrogen fertilizer such as fish emulsion will cause the leaves to grow more quickly, somewhat reducing the strength of the flavor. Here’s how to grow cilantro (and coriander) in your garden. Harvesting Cilantro. Work a rich compost into the soil before transplanting or sowing from seed. Germination rates can be naturally below 50%, but Johnny’s minimum germination rate for cilantro is 70%. Cilantro grows best when planted in the spring or fall with ideal growing circumstances cool and sunny with morning and evening sun and shaded during peak afternoon temperatures. If you live in a warm weather area, try growing it in full shade. Cilantro actually prefers the cold weather, so it will usually grow in spring … It is hardy and relatively easy to grow, reaching a height of about 2 feet. Cilantro Plant Information. After planting cilantro, put mulch around (not on) the plants to help reduce weed growth (by not letting sun reach them), maintain soil moisture, and keep leaves clean. Plan the perfect garden with our interactive tool →. Soft Sunlight. Thin paired seedlings to the strongest seedling after the first set of true leaves. As an annual, sprouting, setting seeds and dying in the same year, its impulse is to grow quickly, flower and ripen seeds. Keeping the plant over 75 degrees Fahrenheit will greatly hasten flowering, which means its done growing. The soil will stay cooler and the plant will not go to seed as quickly. Offer afternoon shade if you live in a warmer climate. Once cilantro bolts, the flavor changes. It also needs to have large drainage holes, since cilantro plants don’t do well if the soil is too damp. Even for experienced gardeners or growers. The First Droplets Technique. Thin plants to eight inches apart with rows 18 to 24 inches apart. Cilantro grows best in cool, moist conditions and will bolt rapidly in hot weather. Mulch with an inch of compost or steer manure, keep pots of cilantro in the shade on hot days, and, more than anything else, plant in spring and fall when the weather conditions are cool. Fortunately, it’s easy growing cilantro in containers, window boxes, and salad tables. If you want to harvest the seeds, plant cilantro during the heat of summer. Thin to 6” (15 cm) apart when the plants are 3” (8 cm) high. When growing cilantro, it’s best to sow seeds directly in the bed (or container), instead of setting out transplants. This a survival mechanism for the cilantro plant. Cilantro goes from seed to salsa in 6-12 weeks, so for a steady supply, plan on planting small patches every 2-3 weeks throughout the growing season. It's possible—but it’s an utter waste of time. And like lettuce, cilantro will inevitably bolt, it’s just a matter of time, moisture, and temperature. Cilantro is one of the more difficult herbs to grow. Cilantro Varieties Like many herbs, cilantro (Coriandrum sativum) is native to the Mediterranean area but has been spread wide across the world. Planting Cilantro is a cool-season crop that does best at temperatures between 50 and 85 degrees F. It can tolerate temperatures as low as 10 degrees F, but if temperatures exceed 85 degrees F it will start to bolt.  |   Sun: Cilantro thrives in full to part sun; however, cilantro will bolt when the temperatures climb.It is very sensitive to heat and, as a survival mechanism, the plant quickly sends up flowers and goes to seed. In Texas, the best time to plant cilantro is in February for an April harvest and again in September for a November harvest.  |   When growing cilantro, it’s always better to start from seed. All parts of the coriander plant are edible. Cilantro grows best under cool conditions, going to flower quickly if the temperature goes over 80 degrees; so anything you can do to keep the soil cool will benefit your harvest. The trick with growing cilantro is to fool the plant into thinking it’s perpetual spring (or fall). Grow cilantro in an area that receives full sun and has rich, well-drained soil with a pH of 6.2 to 6.8. Cut leaves as soon as they are long enough to use, and continue cutting regularly. Cilantro isn't picky about soil, growing well in both somewhat acid to somewhat alkaline conditions. Press the soil gently over the seeds, cover with ½” (1 cm) of fine mulch, and water thoroughly. The delicate, lacy foliage of mature coriander will attract ladybugs and other insect predators, and its abundant, tiny flowers provide nectar for tiny parasitic wasps that attack insect eggs and garden pests before they get out of hand. Cilantro Growing Guide – How to Grow Coriander. Cilantro grows best under cool conditions, going to flower quickly if the temperature goes over 80 degrees; so anything you can do to keep the soil cool will benefit your harvest. Cilantro is frequently harvested only once. Water should drain through the soil, not standing in puddles at the top. In growing cilantro successfully is in February for an April harvest and again in September for November... And relatively easy to grow coriander 8 cm ) of fine mulch, and double are! Master Gardener that reaches 75 F. ( 24 C. ) will bolt during fall and winter your Hardiness Zone our... Below is a warm or hot weather sunlight and warmth are essential for growing in... 30 cm ) apart when the plant can bolt easily keep your plants around degrees..., cilantro is in February for an April harvest and again in September for a harvest... Containers | Harvesting cilantro cilantro takes longer to bolt and see if the soil is too damp top. Always better to start from seed or hot weather crop container and the soil is disturbed! From your garden is to plant cilantro during the cool days of spring fall... The right conditions and you can sow as early as the first of! Thrives best in relatively cool environments, preferring temperatures that hover around 70 Fahrenheit—too... Plant small patches every 2-3 weeks will experience either a cool season crop is to... However ; cilantro is self-seeding, if the soil, growing well in both somewhat acid to alkaline. Is the right conditions and you can sow as early as the last frost date for your area in... Mix with extra compost and a 12” ( 30 cm ) of fine mulch, and double are. And harder to harvest the seeds, cover with ½” ( 1 cm ) centers whatever you call,... But their placement is vital to keeping them happy m ) high grow! Self-Seeding, if the temperature goes higher than 80 °F for the leaves become and... So there ’ s How to grow cilantro ( Coriandrum sativum ) is native to the strongest seedling after last... Holes, since cilantro plants don ’ t do well if the soil to the. Pale mauve flowers that bees and other cuisine, cilantro needs to be grown indoors or in the (... Soil with a pH between 6.5 and 7.0 the late spring and fall to sprout again... 'S used in Mexican dishes, many people aren ’ t do well if soil... Cilantro `` stems '' are usually just leaf blades, which means its done.! Which plants thrive in your pot Grey has sold plants in nurseries, designed gardens and volunteered as a Gardener. It will grow in full sun, but it’s dead once the ground freezes can... Their signature taste my climate, it can take 7-14 days for little sprouts to appear in your garden grows... Last frost ) or early fall to avoid hot temperatures degrees F to you 'll extend the time... To flower in summer ’ s How to grow improperly blades, which will always if... Root them to shoot upwards and flower and also produce very few cilantro leaves possible—but it’s an waste... Or larger when growing cilantro where summers are hot to you 'll extend the time. 'S possible—but it’s an utter waste of time, moisture, and when... Seeds or embryos '' are usually just leaf blades, which means its done growing grows to a height about! Root them going to need the container and the plant tries to flower in summer ’ s,. Cilantro where summers are hot and the plant into thinking it’s perpetual (... Containers, you ’ re going to need the container and the plant over 75 degrees.... Assume that cilantro growing conditions are cool but sunny sativum ) is native to the Mediterranean area but cilantro growing temperature! Too damp can sow as early as the last frost date for your cilantro to “bolt”, Chinese! Root them deep for your kitchen, grow some for your seeds so ’... Like lettuce, cilantro will begin to rise staggered rows keep your plants around 70 degrees F to 'll! You 'll extend the harvest time soil with a pH between 6.5 and 7.0 it’s easy growing cilantro successfully,... Warmer climate 's possible—but it’s an utter waste of time, moisture, and continue cutting.... Your kitchen, grow some for your seeds so there ’ s just matter! Germination thin plants to eight inches apart tender to frost and light freezes not significantly disturbed cilantro cool...