When to plant Coriander in Oregon, United States

Coriander can be planted after May 11, when air temperature is consistently in a range between 40°F and 86°F and soil temperature is above 45°F.

Growing Coriander in Oregon

Coriander needs on average between 42 and 61 days to mature and produce harvest.

Oregon has 2 distinct seasons suitable for growing Coriander

• May 11 to July 26

  Coriander needs on average between 42 and 61 days to mature and produce harvest. With 77 suitable for growht, you can expect good harvest without too much effort if all planting activities are done in timely manner.

• August 18 to October 22

  Coriander needs on average between 42 and 61 days to mature and produce harvest. With 66 suitable for growht, you can expect good harvest without too much effort if all planting activities are done in timely manner.

Planting Coriander in Oregon before May 11 without any additional protection is not advised because cold streaks can damage or kill off young plant.

Growing season extention

In order to maximize chances for a good harvest of Coriander in Oregon, some extra steps can be taken to extend growing season.

Start seeds indoors

When starting seeds indoors, it is possible to guarantee best possible conditions for young seedlings. Consistent temperature range, adequate watering and ample light (natural, supplemented with artifitial grow lights) will ensure you have strong and healthy seedlings just in time for transplanting into soil.

It takes 42 days on average for Coriander to sprout, and grow big enough to be ready for transplanting.

Oregon has 2 distinct seasons for growing Coriander

• In order to get plants ready for May 11 seeds should be started indoors bwetween March 30 and May 26

  Seeds started after May 26 are not likely to mature and produce harvest.

  Coriander needs on average between 42 and 61 days to mature and produce harvest. With 77 suitable for growth, you can expect good harvest without too much effort if all planting activities are done in timely manner.

• In order to get plants ready for August 18 seeds should be started indoors bwetween July 07 and August 22

  Seeds started after August 22 are not likely to mature and produce harvest.

  Coriander needs on average between 42 and 61 days to mature and produce harvest. With 66 suitable for growth, you can expect good harvest without too much effort if all planting activities are done in timely manner.

Use a cold frame

When using a cold frame in a beggining of growing season You can protect young plants from possible temperature drops, this way growing season can start up to 2 weeks earlier.

Use an additional shading

On days, when air temperatures are expected to raise above 86°F, which is in top of tolerable range for Coriander, consider using additional shading to prevent heat shock.

Table with days suitable to grow vegetables in Oregon

For more precise weather statisctics and planting information, please select a County in Oregon.

• Baker County

• Benton County

• Clackamas County

• Clatsop County

• Columbia County

• Coos County

• Crook County

• Curry County

• Deschutes County

• Douglas County

• Gilliam County

• Grant County

• Harney County

• Hood River County

• Jackson County

• Jefferson County

• Josephine County

• Klamath County

• Lake County

• Lane County

• Lincoln County

• Linn County

• Malheur County

• Marion County

• Morrow County

• Multnomah County

• Polk County

• Sherman County

• Tillamook County

• Umatilla County

• Union County

• Wallowa County

• Wasco County

• Washington County

• Wheeler County

• Yamhill County