To hasten seed germination, soak seeds in warm water the night before sowing. To guarantee the seeds get off to a nice beginning if you don't have sufficient sunlight, you can get heat mats, grow lights, and rich starter soil from garden specialty shops. While you wait for the ground to warm up, you can keep your celery seeds safe from birds and other pests by starting them indoors while then transferring the plants into your outdoor garden.Ĭonsider a windowsill or other area of your house that receives direct sunlight. The maturation period of celery plants might reach four months. For harvesting in late fall or early winter, plant celery in late July in regions with milder springs and summers. Plant celery in the early spring for a summertime harvest if your area experiences cooler springs and summers. There is very little window when conditions will be ideal for planting celery because it is a cool-weather crop that is often damaged by frost. Celery can be grown from a seed, which requires more work and attention, or it can be grown from the bottom of a stalk, like the one you would purchase at the local supermarket. As a result of celery’s shallow root system, it is best to irrigate this crop with two irrigation applications per week.How to Plant, Grow, and Gather Celery in Your Backyard GardenĪpium graveolens, a biennial crop that produces celery, is renowned for its large stalks and fragrant leaves. Once the plants are settled, the norm is about 25 to 35 mm of irrigation per week. If direct seeding is done then make sure the topsoil is kept moist with more frequent, lower volume irrigation periods until the seeds have germinated and taken root.Īs the seedlings strengthen, longer irrigation periods can commence. The day before planting the celery, apply about 20 mm of irrigation to bring the soil to field capacity and immediately after planting about 10 mm to settle the celery seedlings. Irrigation can be in the form of static sprinklers, sprinklers on a pivot system, microjet misters or drip systems on the surface of the rows or in some cases drippers underground along the plant rows. The fertilizer applications can also be administered through drip systems by fertigation according to the recommendations provided by the soil analysis. Irrigation must follow immediately after each fertilizer application. Four weeks after planting the celery a further application of 300 kg of 1:0:1 (36) can be applied along the plant row.Īfter a further four weeks and four weeks prior to harvest, a final application of 300 kg of 1:0:1 (36) can be applied along the celery plant row. This can be in the form of 500 kg to 750 kg of 1:0:1 (36) and this will give the seedlings the nutrients to settle and boost root development and growth during the first month of growth. In the final week before planting, a mixture of Nitrogen and Potassium can be applied to the plant rows and disk harrowed into the top 20 cm of soil. Superphosphates are applied and incorporated when the soil is initially prepared and ploughed about 8 weeks before planting. If direct sowing is done then it will be about four months before the crop will be ready for harvest. Growth PeriodCelery normally takes between 12 and 16 weeks from when seedlings are planted out into the fields to reach harvest readiness. This will still give enough time to harvest before the onset of intense summer heat. Planting TimeA good time to plant celery seedlings is mid-September when the worst cold is over and frost has passed. Seedlings are normally ready for planting out at 6 to 8 weeks from sowing. Young celery seedlings must not be exposed to late frost as this could kill the young plants. Sowing TimeSow celery indoors in seedling trays in July and direct sow seeds into the plant area end of August. This is between 100 000 and 150 000 celery plants per hectare depending on the configuration. Depending on the tractor and implement wheel spacing, paths must be left for manual functions and vehicles for spraying and also for harvesting machinery. SpacingPlants should be spaced 15 cm or 20 cm apart in rows that are 30 cm apart. Planting is done by hand or mechanical planter. Celery seed is very small so sowing evenly is very difficult and the seeds need to be sown very shallowly at about 3 mm to 4 mm. Planting MethodCelery planting can be done from direct sowing of the seed but most growers prefer to make seedlings and plant these out. © Louise Brodie PropagationPropagation is from celery seed.
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