Cilantro and Coriander Seeds

Coriandrum sativum

Product code : WESTO-0090

Cilantro supplies aromatic leaves and, when allowed to flower and mature, coriander seed. Chop fresh leaves to finish dishes, or let selected plants produce aromatic seed. Plan separately for leaf harvests and mature seed harvests.
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Detailed plant guide
Advice adapted to Canada
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Exposure
Full sun
Life cycle
Annual

Discover the plant

Common nameCilantro
FamilyApiaceae
GenusCoriandrum
Speciessativum
TypeVegetable and herb seeds
Botanical nameCoriandrum sativum

Cilantro and Coriander Seeds (Coriandrum sativum) Cilantro supplies aromatic leaves and, when allowed to flower and mature, coriander seed. Chop fresh leaves to finish dishes, or let selected plants produce aromatic seed.

Direct sow from spring through late summer in successions. Sow about 6 to 13 mm deep. Keep the seedbed evenly moist through emergence. Allow 6 to 13 mm for leaf harvest; 5 to 10 cm for seed production. Provide full sun and avoid standing water. A germination temperature of 18 to 21°C is appropriate for this crop. Thin crowded seedlings early and harden indoor-started plants gradually before transplanting.

Plan separately for leaf harvests and mature seed harvests. Pick young leaves for cilantro; leave selected plants to flower for mature coriander seed.

Cilantro and Coriander: Cilantro supplies aromatic leaves and, when allowed to flower and mature, coriander seed.

Sowing guide

It all startswith a seed.

Sowing depth

6 to 13 mm

Spacing / density

6 to 13 mm for leaf harvest; 5 to 10 cm for seed production

Germination temperature

18 to 21°C

Germination time

7 to 10 days

Sowing period

Direct sow from spring through late summer in successions

Propagation

Seed

Growing method

Prepare a clean seedbed or containers with rich, well-drained soil. Direct sow from spring through late summer in successions. Sow about 6 to 13 mm deep unless the packet gives a more specific direction. Use the following spacing as the crop develops: 6 to 13 mm for leaf harvest; 5 to 10 cm for seed production. Keep the medium evenly moist during emergence without leaving it saturated. Provide full sun and good air movement. Thin crowded seedlings early so the remaining plants develop without unnecessary competition. Harden indoor-started plants gradually before transplanting them outdoors after the appropriate frost date. Maintain even moisture without saturating the soil.

Soil and care

The right care,at the right time.

Watering

Maintain even moisture without saturating the soil. Check moisture at soil level instead of watering only by schedule. Water gently during germination so seeds are not displaced, then direct irrigation toward the root zone. Avoid standing water and adjust frequency after rain.

Soil type

Cilantro performs best in rich, well-drained soil. Loosen compacted ground before sowing and remove large stones or persistent weeds. Mature compost may improve poor soil, but avoid creating a heavy or waterlogged seedbed.

Fertilization

Prepare the soil with mature compost when fertility is low. A light, balanced fertilizer may be used according to its label, but excessive feeding can cause weak or unbalanced growth. Observe leaf colour and plant development before adding more nutrients. Water after any application.

Seasonal care

At sowing time, prepare rich, well-drained soil and follow this timing: Direct sow from spring through late summer in successions. Keep the surface moist until emergence, label the row, and thin seedlings according to the recommended spacing. During active growth, provide full sun and monitor soil moisture, weeds, and leaf condition. Maintain even moisture without saturating the soil. In warm or windy weather, check containers and exposed beds more frequently. Remove damaged material and keep enough space for air circulation. At harvest or after flowering, use clean tools and clear unhealthy debris. Healthy residue may be composted where appropriate. At the end of the season, clean containers and tools, record useful observations, and store remaining seed in a cool, dry, dark place.

Container growing

A garden,within reach.

Choose an accessible pot for frequent small harvests, with clear drainage holes and room for growth.
Cilantro and Coriander: Cilantro supplies aromatic leaves and, when allowed to flower and mature, coriander seed.

Bloom and dimensions

Its place,in your garden.

Mature height

38 to 46 cm (15–18 in)

Width / spread

30 to 36 cm (12–14 in)

Harvest

Pick young leaves for cilantro; leave selected plants to flower for mature coriander seed.
Cilantro and Coriander: Cilantro supplies aromatic leaves and, when allowed to flower and mature, coriander seed.

Garden associations

In goodcompany.

Companion plants

Group herbs with compatible needs in the same area, while keeping mint in its own container.

Other recommended plants

Spearmint; Oat Cat Grass; Wheatgrass Sprouting

Frequently asked questions

Your questions,answered.

How should Cilantro be sown?
Direct sow from spring through late summer in successions. Prepare rich, well-drained soil. Sow about 6 to 13 mm deep. Keep the seedbed evenly moist until emergence without saturating it. Label the row and provide full sun. Thin crowded seedlings so the final spacing follows this guidance: 6 to 13 mm for leaf harvest; 5 to 10 cm for seed production. If plants are started indoors, provide strong light and harden them gradually before transplanting outdoors at the appropriate time.
Where should I grow Cilantro and Coriander?
Light: Full sun. Adjust moisture retention in the growing mix to the herb being grown. Light: Full sun. Cilantro prefers full sun and rich, well-drained soil. Choose a location that leaves enough room for 6 to 13 mm for leaf harvest; 5 to 10 cm for seed production. Avoid low spots where water remains after rain. In a container, use drainage holes and a clean growing mix. Observe how light moves across the space during the day, especially near buildings or taller plants.
How should I water Cilantro and Coriander?
Check root-ball moisture before watering and avoid unnecessarily wetting leaves intended for harvest. Maintain even moisture without saturating the soil. During germination, use a gentle spray or careful watering so seed is not displaced. After establishment, water at soil level when the surface begins to dry. Adjust frequency to rainfall, heat, wind, soil texture, and container size. Avoid standing water because roots still require oxygen. Morning watering can help foliage dry normally during the day.
What maintenance does Cilantro need?
Keep the planting labelled, weeded, and appropriately spaced. Check young plants regularly for wilting, chewing damage, discolouration, or crowding. Provide full sun and maintain the moisture pattern described for the crop. Use clean tools, avoid deep cultivation near established roots, and remove unhealthy debris. Apply any fertilizer or pest-control product only according to its label.
When should I harvest Cilantro and Coriander?
Pick young leaves for cilantro; leave selected plants to flower for mature coriander seed. Plan separately for leaf harvests and mature seed harvests.