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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
planting walla walla onions from seed Walla Walla OnionDescription Walla Walla Onion Seeds (Allium cepa) 300+ Non GMO Heirloom Seeds for Planting, Large Sweet Bulbs for Fresh & Caramelized Dishes, by Islas Garden Seeds, Gift Idea for Gardeners Walla Walla Onion (Allium cepa) is the celebrated sweet onion famed for its extra large, mild bulbs and crisp, juicy texture. Ideal for slicing fresh, grilling, or caramelizing, Walla Walla brings rich flavor without the sharp bite of storage types. A long day
Description
Walla Walla Onion Seeds (Allium cepa) – 300+ Non-GMO Heirloom Seeds for Planting, Large Sweet Bulbs for Fresh & Caramelized Dishes, by Isla’s Garden Seeds, Gift Idea for Gardeners
Walla Walla Onion (Allium cepa) is the celebrated sweet onion famed for its extra-large, mild bulbs and crisp, juicy texture. Ideal for slicing fresh, grilling, or caramelizing, Walla Walla brings rich flavor without the sharp bite of storage types.
A long-day variety, Walla Walla performs best where summer days are lengthy and sunny. Plants form broad, golden-skinned bulbs with tender white flesh, typically maturing in 110–125 days from transplant for peak size and sweetness.
Grow in deep, fertile, well-draining soil with consistent moisture to encourage uniform bulbs. Enjoy mild scallions from thinnings, then allow remaining plants to size up for impressive, sandwich-ready slices and sweet sautéed dishes.
Beloved for its flavor and size, Walla Walla Onion rewards careful watering and weeding with showpiece bulbs that shine in salads, on the grill, and in the skillet.
Type: Biennial (grown as annual)
Sun: Full
Planting Depth: 1/4”
Spacing: Thin to 4–6” (rows 12–18” apart)
Water: Consistent, moderate
Days to Maturity/Bloom: 110–125 days (from transplant)
Height: 12–24” (foliage)
Zones: 3–10
🌱Planting Instructions
Approx seeds per order 300
Start seeds indoors 8–10 weeks before last frost. Sow 1/4 inch deep in flats; keep evenly moist and provide bright light. Trim tops to 4 inches to prevent tangling and promote sturdy growth before transplanting.
Harden off and transplant when soil is workable and nights stay above freezing. Space plants 4–6 inches apart in rows 12–18 inches. Walla Walla is a long-day type—choose a sunny site to ensure proper bulbing as days lengthen.
Keep beds weed-free and water consistently; irregular moisture can cause misshapen bulbs. Side-dress with compost midseason. Harvest when tops fall naturally and necks soften; cure briefly in a dry, airy place for best quality.
Type: Biennial (grown as annual)
Sun: Full
Planting Depth: 1/4”
Spacing: Thin to 4–6” (rows 12–18” apart)
Water: Consistent, moderate
Days to Maturity/Bloom: 110–125 days (from transplant)
Height: 12–24” (foliage)
Zones: 3–10
USDA Zone Map
Walla Walla Onion (Allium cepa) grows best in USDA Zones 3–10, thriving in full sun with deep, fertile, well-draining soil.
Type: Biennial (grown as annual)
Sun: Full
Planting Depth: 1/4”
Spacing: Thin to 4–6” (rows 12–18” apart)
Water: Consistent, moderate
Days to Maturity/Bloom: 110–125 days (from transplant)
Height: 12–24” (foliage)
Zones: 3–10
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