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Pre-sprouted Turmeric Seed - USDA Certified Organic
USDA Certified Organic Turmeric Seed

Price: $10.00

Availability: May 2019

Our turmeric seed rhizomes have been pre-sprouted (active growing points and roots) in the greenhouse to lengthen the growing season and are ready for planting in the ground or in containers.

Turmeric is a rhizome that grows underground from a seed piece (sometimes called the “mother”). The seed rhizome looks similar to the mature turmeric you find in the grocery store however unlike the supermarket ginger, the seed turmeric we use is disease-free and certified organic.

Turmeric is a tropical plant with a long growing season and the seed is pre-sprouted in the greenhouse early in the year to ensure a harvest before the weather turns cold. The rhizome is generally harvested in late September through November in order to enjoy the fresh turmeric before it develops a thick skin.

Turmeric plants require warm soil, room to grow and plenty of fertilizer. Turmeric can be grown in the ground or in containers.

  • Do not plant outdoors until soil temperatures are at least 55 degrees F and the air temperature is warming into the 70’s.
  • Turmeric does not like any weed competition!
  • Turmeric requires three to four fertilizer applications during the growing season (see “FERTILIZING below).
  • Turmeric plants can grow 3’ to 5’ tall and the rhizome can spread up to one foot. Give in-ground plants plenty of room and use large containers or flexible grow bags for container grown plants.
  • Turmeric likes plenty of moisture but does not like wet feet. Make sure your soil, whether in the ground or in a container, is well-drained.
  • Plant in rows or beds three feet apart
  • Dig a trench min. 6” deep and mix fertilizers/compost in the bottom of the trench
  • Place pre-sprouted seeds 5 inches apart in the trench
  • Cover with approx. 2” of soil
  • Use well-drained, soilless media in containers. We recommend using a good quality, low-salt cocopeat (also called “coir”).
  • Use flexible grow bags or large pots to allow the rhizomes to grow up and out.
  • To plant, fill the bag or pot with 4” to 6” of soilless media and mix in fertilizer and gypsum. Cover with approx. 2” of media.
Turmeric enjoys partial sun – strong morning sunlight and afternoon shade or dappled shade all day. Turmeric can be grown in full sun, but make sure the soil temperatures do not get above 90 degrees F in the summer.

Turmeric needs plenty of moisture, but does not like to sit in wet soil. Amend heavy clay soils to allow good drainage. Water plants enough to keep evenly moist without drying out.


  • Use a mild, balanced fertilizer (such as a 5-5-5 or 4-6-4) at planting time and side-dress with fertilizer each month.
  • Well-aged compost is beneficial, but do not add materials that are actively decomposing. Decomposing materials will use nutrients in the soil and may cause the soil to heat up.
  • Apply fertilizer at a rate of 6 oz. per planting row foot.

  • Beginning in late September and/or with cooler weather, the top foliage will begin to die back. For baby turmeric, harvest the rhizomes by loosening the soil approximately 12” from the base of the plant with a shovel or garden fork, then grasp the stems near the ground and pull the entire plant from the ground or container by.
  • Rhizomes left in the ground after the tops have died back will start to form a thick brown skin.
  • Harvest yields depend on fertility, water, competition with weeds, and temperatures. Harvests can range from 1/4 lbs to 1-1/2 lbs per seed.

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