Abiu Seeds
$9.98
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SunFull Sun
Plant Spacing4-6 in.
Days to Maturity90-120 Days
Planting Depth1/4 in.
Sowing SeasonSpring, Fall
Germination Time7-14 Days
About Walla Walla Sweet Onion Seeds
Premium Cool Season Upright Self-Clumping Frost Hardy Ultra-Mild Sweet Low-Pungency Large Globular Golden Tan Walla Walla Sweet Heirloom Storage Onion Seeds: Begin Your Gardening Journey
Every seed holds the promise of life, waiting to unfold. We offer a curated selection of premium leaf rust & thrip resistant upright self-clumping cool temperate moderate-light-feeder amaryllidaceae heirloom seeds, designed to bring you joy from the first cool pre-stratified sprout all the way to endless successive thick uniform large golden tan Allium Cepa Walla Walla Sweet Onion Heirloom ultra-mild sweet low-pungency crisp tender edible storage bulb harvest, a dual-purpose low border ornamental edging & fruiting cool upright clumping leaf vegetable perfect for large deep full-sun patio containers and full-sun organic backyard cool temperate landscape & raw salad sandwich caramelize roast saute cool long dry storage home cooking growing. Critical safety note: Unripe raw green top foliage and immature small thin onion bulbs contain concentrated sharp allium sulfide irritant compounds; only fully cured mature thick large golden tan Walla Walla sweet onions fully cooked or raw fresh suitable for regular human consumption.
Our Promise:
- High Viability: Carefully selected for stable 95% ultra-high germination rate (4-day dry stratify + 3hr cool pre-soak breaks allium onion seed dormancy) and vigorous upright frost-hardy Amaryllidaceae Allium cepa Walla Walla sweet onion clump growth, producing one synchronized mid-late mass flush + endless successive heavy flushes of distinctive uniform large round globular clean bright golden tan papery onion bulbs packed with balanced ultra-mild sweet thick dense pale crisp layered juicy flesh flavor ideal for premium light raw salad platter sides, slow meat caramel stew mains, delicate vegetable roast simmer, pan sauté preservation, multi-month cool cellar bulb storage preparations, dual dense lush broad dark green leaf compact tropical low border edging ornamental border landscape value plus abundant tiny pale lavender mini umbel small-bee pollinator bloom attraction and versatile everyday home savory multi-use allium vegetable ingredient value.
- True Heirloom Varieties: Sourced for pure authentic frost-resistant upright continuous-cut-and-come-again Walla Walla sweet onion amaryllidaceae heirloom strain consistency, yielding endless repeated uniform large globular golden tan ultra-mild sweet low-pungency onion bulb clusters with balanced soft ultra-mild zero-overly-sharp-bitter taste profile, dual sprawling broad dark green leaf tropical full-sun clumping ornamental foliage & extended repeated tender bulb regrowth harvest value, fast immature thin broad dark green leaf clump decorative low cool border edging texture clump maturity and full flavorful intense ultra-mild sweet crisp white onion bulb formation ready for fresh cooked consumption or long-term cool dry storage, unified for low lush full-sun tropical clumping ornamental border plantings, small batch homemade salad & caramel prep, roast refrigeration cooking and full-sun organic backyard successive-regrowth onion clump bed garden crop results.
- Gardener-Friendly: Suitable for large deep full-sun trellis-free balcony patio growing containers, outdoor raised succession full sun cool gourmet Walla Walla sweet onion amaryllidaceae clump garden border beds and cool-hot season broad dark green leaf compact pollinator low border edging ornamental border plots, steady medium shallow root humidity ultra-low maintenance once medium shallow fine fibrous root amaryllidaceae root systems establish with clear shallow 0.6-inch fine silt sowing partial-cool shaded germination guidance guaranteed for beginner fast temporary low lush cool ornamental clump foliage and endless repeated thick uniform golden tan Walla Walla sweet onion bulb dual harvest success; sturdy rigid upright clumping leaf stalks zero trellis support required, light balanced medium-potassium compost delivers maximum continuous uniform large globular golden tan ultra-mild sweet low-pungency onion bulb yields and dense year-round broad dark green leaf ornamental foliage.
The Planting Experience:
Sow your Allium Cepa Walla Walla Sweet Onion Heirloom Vegetable seeds yourself and witness the distinctive cool-hot season upright self-clumping full-sun low border edging ornamental growth cycle of this versatile dual-purpose broad dark green leaf tropical clumping leaf ornamental non-stop successive thick uniform golden tan ultra-mild sweet edible low-pungency onion amaryllidaceous staple: from delicate thin cool pre-stratified tropical allium seedlings to neat upright self-clumping wide-spreading dense matte broad dark-green-leaf clump plants bearing masses of tiny fragrant pale lavender umbel small-bee pollinator bloom clusters, maturing ultra-rapidly over mid-fall constant cool temperate weather to generate one massive synchronized mid-late flush + endless repeated flushes of smooth uniform large round glossy golden tan tender edible ultra-mild sweet low-pungency onion bulbs ready for low border lush textured full-sun tropical ornamental edging garden display or full successive raw salad/sandwich/caramel/roast/saute cool long dry storage savory culinary harvesting weeks before first hard killing deep frost dormancy. The mid-late frost-hardy Walla Walla sweet onion growing journey is an ideal beginner-friendly full-sun tropical low border edging ornamental nutrient food gardening hobby perfect for pollinator-attracting clumping broad green mild sweet storage onion collectors, large deep full-sun trellis-free balcony container growers and organic succession full-sun tropical onion gardeners seeking exclusive continuous uniform large globular golden tan Walla Walla sweet onion bulb yields ideal for all everyday home raw salad & caramel cooking with steady high cool sprouting performance.
General Growing Guide:
1. Soil Preparation: Use loose light sharply fast-draining silt loamy mound potting or garden mix blended with mild light aged organic compost, balanced pH 6.0–7.5; dense heavy water-retentive compact clay soil causes severe Walla Walla sweet onion clump plant medium shallow fine fibrous root rot & basal clump rot and stunts full thick uniform large globe bulb swelling, diluting the critical balanced ultra-mild sweet crisp white onion bulb flesh flavor that defines this tropical edible upright mid-late large golden globe mild sweet storage heirloom onion variety.
2. Sowing: Standard 4-day room temp dry stratify + 3hr cool water pre-soak softens hard allium onion seed dormancy coats to eliminate uneven delayed sprouting, then sow at the recommended shallow 0.6-inch fine silt soil coverage; deep burial or unshaded harsh hot sun exposure fully suppresses robust germination and weakens fragile extensive medium shallow fine fibrous root seedlings. Space mature upright Walla Walla Sweet Onion cool fruiting clump planting rows 28 inches apart to enable full unobstructed wide broad dark green leaf low border screen spread, full small insect cross-pollination and abundant continuous thick uniform saturated golden tan tender edible Walla Walla sweet onion bulb successive development each cool temperate growing cycle with balanced soft ultra-mild sweet edible flavor ideal for premium light raw salad crafting.
3. Initial Care: Keep soil evenly lightly moist at medium shallow fine fibrous taproot level only, position large deep full-sun trellis-free patio containers or full-sun tropical onion clump garden border beds in constant partial cool soft morning sunlight (3hrs max) with steady humid cool 20°C shaded germination temperature until seedlings fully sprout within 5–17 days. This premium Amaryllidaceae heirloom multi-use low tropical border edging ornamental border & edible fruiting clump seed stock delivers minimal seed waste with consistent high cool sprouting rates ideal for large mass succession raised bed broad dark green leaf full-sun tropical low ornamental uniform large globular golden tan edible Walla Walla sweet onion amaryllidaceae border crop planting and medium-depth full-sun trellis-free patio container cultivation.
4. Ongoing Care: Provide partial cool soft morning sunlight only (max 3hrs daily); unfiltered all-day hot sun instantly creates narrow thin clumping stalks, minimal tiny dull pale harsh sharp bitter bulb and weakens balanced ultra-mild sweet crisp white juicy onion bulb flesh flavor. Maintain a steady weekly medium shallow root watering schedule of 0.42 inch soft water applied slowly and directly to medium shallow compact plant taproot zones; never let the fine silt topsoil layer fully dry out during rapid upright clumping leaf expansion and continuous broad dark green leaf canopy building phases, reduce irrigation during dry heatwaves to slow clump overgrowth & sharp allium sulfide sap buildup, and avoid heavy overhead broad dark green leaf foliage soaking long-term, as saturated medium shallow taproot zones and wet textured rigid stalks create mild basal clump rot and trigger widespread fungal leaf rust on matte soft emerald leaves. Tiny compact pale lavender four-petal umbel pollination Walla Walla sweet onion star blossoms bloom 68 days after late-spring sowing; limited consistent small insect activity drastically cuts total continuous uniform large globular golden tan Walla Walla sweet onion bulb yield per upright cool tropical clump plant. Soft immature thin broad dark green clumping leaf clumps reach low border lush textured temporary cool ornamental garden display readiness exactly 18 days after sowing; fresh staggered early-spring / late-summer direct succession seed batches may be replanted every year to extend annual endless tender onion bulb regrowth harvest window for continuous broad dark green leaf full-sun tropical low border edging ornamental clump foliage and multi-purpose raw salad/caramel/roast edible ultra-mild sweet crisp white onion yields across all cool temperate growing seasons. This cool-hot season upright clumping Walla Walla Sweet Onion amaryllidaceae clump naturally resists leaf rust and thrip pests, and immature young seedlings suffer permanent clump stunting and eliminated continuous tender bulb production when exposed to sustained soil temperatures above 29°C during mid-season hot growth phase.
Please follow the cool water pre-soak stratification, shallow 0.6-inch fine silt sowing & constant partial cool soft morning sunlight cool germination guidance included with your heirloom seed packet, and maintain even consistent medium shallow root-only soil humidity all growing cycle to grow abundant unblemished uniform large globular saturated golden tan flavorful ultra-mild sweet crisp white edible Walla Walla sweet onions free of thin narrow tiny dull pale harsh sharp bitter bulb set each cool temperate growing cycle, suitable for premium light raw salad consumption, slow meat caramel prep, oven roast preservation and long-term cool dry vegetable storage culinary preparations. Safety reminder: Harvest fully cured thick large golden tan globe bulb only; unripe green top foliage and immature small thin bulbs contain sharp allium sulfide irritant alkaloids unsuitable for raw consumption.
Perfect For You If:
- You want upright self-clumping sturdy Walla Walla Sweet Onion cool temperate full-sun low border edging ornamental clump plant specimens covered in abundant lush dense matte broad dark green leaf low cool ornamental clump foliage, maturing after full mid-fall cool temperate field soil curing ripening to produce endless repeated uniform large globular golden tan ultra-mild sweet low-pungency onion bulb harvest with ultra-mild cool-boosted juicy pale white flesh flavor ideal for homemade premium light raw salad sides, slow meat caramel stew mains, delicate vegetable roasts and multi-month cool cellar bulb storage recipes, paired with lush dense textured full-sun tropical low border edging ornamental border landscape garden styling recipes.
- You seek zero-frost-tolerant mid-late-cool-season upright low border edging ornamental edible Amaryllidaceae successive-regrowth large globular golden tan ultra-mild sweet low-pungency onion heirloom seeds with premium 95% germination rates that produce delicate thin broad dark green temporary low lush textured full-sun tropical ornamental clumps in only 18 days, with staggered early-spring / late-summer direct succession planting every year for rolling full-season broad dark green leaf tropical low border edging ornamental clump foliage and endless repeated tender edible ultra-mild sweet crisp white onion yields and full saturated uniform large globular flavorful Walla Walla sweet onion bulb culinary harvesting at 102 days.
- You design medium-depth-trellis-free balcony patio broad dark green leaf tropical low border edging ornamental multi-use edible successive-regrowth cool ultra-mild sweet low-pungency onion upright clump planters, organic full-sun raised mass succession tropical onion border plots or lush dense emerald textured cool-hot season low border edging ornamental border plantings for low-fuss successive-regrowth dual-purpose rare leaf rust & thrip resistant large globular golden tan ultra-mild sweet Walla Walla sweet onion cool upright clumping amaryllidaceae clump crops.
- You’re a beginner full-sun cool temperate backyard & small-space raw salad / caramel mild sweet storage onion broad dark green leaf tropical ornamental amaryllidaceae collector home gardener looking for leaf rust & thrip resistant non-GMO Walla Walla Sweet Onion Heirloom seeds with reliable consistent cool sprouting performance, ideal for zero-fuss succession lush dense textured full-sun low border edging decorative ornamental foliage endless repeated tender edible large globular golden tan ultra-mild sweet Walla Walla sweet onion upright clumping gardening with zero mandatory trellis support required for rigid stalk growth.
- You find joy in growing upright self-clumping wide-spreading dense matte broad-dark-green-leaf Walla Walla sweet onion clump foliage that supplies endless batches of lush dense textured low cool border edging ornamental border foliage for daily full-sun tropical landscape garden display and homemade raw salad, caramel & roast successive edible kitchen prep, with tiny compact pale lavender four-petal umbel pollination star blossoms emerging once upright clump plants establish mature extensive medium shallow taproot systems under hot drought stress bolting conditions.
- You are looking for a space-efficient cool-hot season staggered early-spring / late-summer direct succession mass planting gardening activity with minimal seed waste thanks to premium ultra-high-viability heirloom successive-regrowth large globular golden tan ultra-mild sweet multi-use edible low border edging amaryllidaceae true seed stock, perfectly suited for full-sun zero-frost-tolerant medium-depth trellis-free container sustainable broad dark green leaf full-sun tropical low border edging ornamental edible Walla Walla sweet onion cool upright clump garden styles.
Start with a packet of Allium Cepa Walla Walla Sweet Onion Heirloom Vegetable high germination cool temperate heirloom seeds, 4 days room temp dry stratify then pre-soak 3 full hours in cool water then sow shallow 0.6 inch into loose full-sun light silt fast-draining nutrient-balanced loam soil, and grow upright self-clumping sturdy lush dense matte broad dark green leaf full-sun low cool tropical border edging clump plants maturing ultra-rapidly over constant mid-fall cool temperate weather into endless repeated uniform large globular golden tan ultra-mild sweet low-pungency edible onions ready for repeated temporary lush dense textured full-sun tropical low border edging ornamental clump foliage clump cutting or full successive cool edible ultra-mild sweet crisp white onion bulb harvest ideal for raw salad, caramel and roast in just 102 days, with endless staggered early-spring / late-summer direct succession planting for continuous broad dark green leaf full-sun tropical low border edging ornamental clump foliage and flavorful ultra-mild sweet successive Walla Walla sweet onion harvest all cool spring and fall long before hot summer clump bolting arrives. Whether you’re filling full-sun raised backyard succession cool amaryllidaceae onion clump border beds with mid-turnaround rare lush dense textured full-sun low border edging ornamental successive-regrowth multi-use edible leaf-rust-resistant large globular golden tan ultra-mild sweet Walla Walla sweet onion vegetable crops for weekly homemade premium light raw salad & caramel cool home cuisine and lush dense textured low border edging decorative garden styling suited for all cool temperate climate home growing, cultivating medium deep full-sun trellis-free patio containers for full-sun medium-space daily dual-purpose broad dark green leaf tropical low border edging ornamental & endless repeated tender edible large globular golden tan ultra-mild sweet Walla Walla sweet onion upright clumping harvesting, or planting cool full-sun rotation rows to fill wide full-sun cool bed garden gaps between slower maturing cool-hot season vegetables, the zero-frost-tolerant upright self-clumping Allium Cepa Walla Walla Sweet Onion heirloom cool clump delivers effortless lush dense broad dark green leaf full-sun tropical low border edging ornamental border foliage and continuous uniform large globular golden tan edible Walla Walla ultra-mild sweet low-pungency onion bulb endless successive regrowth harvests every constant mid-fall cool temperate growing season year after year.
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