Walla-Walla Sweet Spanish Onions
Walla Walla Sweet Spanish Onion

Onions - Walla-Walla Sweet Spanish

Allium cepa

HEIRLOOM A large golden skinned, white-fleshed sweet onion that is amenable to fall planting and wintering over or spring planting. A late August planting will overwinter to yield high quality, extra sweet onions in early/mid June. A spring planting will be ready for harvest in late summer/ early fall. Will not store.
Onions are the backbone to nearly any savory dish acting with such humility that they are often overlooked in the garden. While easy to grow from seed, the key is selecting the right type for the region. Long day onions tend to grow best in the North, when the longer days of summer trigger bulbing. Short day onions tend to grow best overwintered in the South when the shorter days of spring are enough to promote bulbing. Intermediate day onions fall more or less in the middle. And take heart! If all else fails, any onion can be pulled and eaten as a scallion. Nutrients: dietary fiber, vitamins C, B6, folate, manganese and calcium.


Size Price Qty Purchase
SKU: 055-003-0-C. Category: .

Product Description

Average Seed / oz Seed / 100′ Row Average Yield / 100′ Row Days to Harvest
7000 3 gr 100 lbs 125
Planting Season Ideal Soil Temp Sun Frost Tolerance
Spring/Fall 50-85°F Full Sun Very Tolerant
Sowing Method Seed Depth Direct Seed Spacing Seeds Per Packet
Transplant or Direct Seed 1/2″ 1″ 295
Mature Spacing Days to Sprout Production Cycle Seed Viability
3-6″ 6-16 Biennial 1-2 years
For southern growers: Sow short day onion seed in late summer in rich soil with some light frost protection for overwinterting. Transplant seedlings in late fall or winter and harvest onions in late spring, when 10 hr days promote bulbing. For northern growers: Sow long day onion seed in flats in early spring in rich soil. Transplant seedlings in late spring and harvest onions in summer, when long days promote bulbing. Onions require evenly moist, well-drained soils, with minimal weed competition. Plant Seeds: 1/2" deep with 1" between seeds in rows 12-15" apart, or in flats 4-6 weeks in advance of planting. Soil Temp: 50-90 F. Days to Sprout: 6-16. Thin To/Mature Plant Spacing: 3-6". Companions: leek, lettuce, parsnip, spinach, beet, carrot, tomato. Seeds/Oz: 7,000. Seed Wt./100' Row: 3 gr. Yield/100' row: 100lbs. Days to Harvest: 65-110. Seed Viability: 2-4 years.

Additional Information


1 grams – Packet, 1/8 oz, 1/4 oz


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