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Grow & Care - Parsnips





Fast Facts




Light Requirements Full Sun
Temperature Adaptations Semi-Hardy Plant between Mar 20 and June 15
Acidity (pH) Tolerance 6.8 to 6.0 pH
Salinity (Ec) Tolerance 1.0 (sensitive) yields will be reduced at higher salt levels
How Pollinated Insects
Growth Habits Biennials grown as annuals


Additional Information



Fertilizer Requirements

Use 1 to 1.5 pounds all purpose fertilizer (20-20-20) per 100 square feet of garden area.

Water Utilization

During establishment, keep row moist, but not water-logged. Established parsnips need water when the top 2" of soil is dry.

Plant Development and Care

Deep, fertile soil is essential for successful production of parsnips. Smooth roots are hard to establish in heavy soils.

Sow seed directly into the garden row and thin to 1 1/2" between parsnips as they mature. Cover with a thin layer of sand or soil and do not allow soil to crust over the top of germinating seeds. A single layer of newspaper placed over seeded rows can be kept moist and keep the soil from crusting over.

Crowding will reduce root size. Check for doubles when thinning young plants. Thin to 2" to 3" apart. Mulch to maintain even soil moisture.

Germination Time (Days)

57 days at 41 F
27 days 50 F
19 days at 59 F
14 days at 68 F
15 days at 72 F
32 days at 86 F

Seed Germination and Temperature Range

Grows best at soil temperatures between 60 F and 70 F. Lower temperatures increase root length with less enlargement.

Common Fertilizer Deficiencies

Excess nitrogen causes excessive top growth and root forking





Parsnips

Tips

Compacted soils can cause stunted, twisted and knobby parsnips.

 

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