Onion Seeds - Walla-Walla Sweet Spanish
Best heirloom choice for gardeners seeking large, sweet, fresh-eating onions.
Cultivate the renowned Walla-Walla Sweet Spanish onion, an HEIRLOOM variety known for its large, golden skin and crisp, white flesh. These Long Day onions are versatile, allowing for fall planting to yield an early June harvest or spring planting for a late summer/early fall crop. They are frost tolerant but will not store well once harvested. Each packet provides a minimum of 200 seeds. For optimal growth, ensure they receive Full Sun and maintain moist soil until germination occurs.
$3.95
Owner Satisfaction
4.6
/ 5
Category Rank
3139
/ 5901
#3139 in Seeds & Seed Tape
Price vs Category Average
-63%
Below average
Botanical Name
_Allium cepa_
/ _Allium cepa_
Who it's for
- Home cooks seeking mild, sugary flavors for fresh salads
- Gardeners aiming for maximum harvest volume per plant
- Self-sufficient growers interested in saving seeds for future seasons
Who should skip it
- Gardeners needing long-term pantry storage for their harvest
- Southern growers located in short-day climate regions
- Farmers requiring high resistance to common fungal diseases
Performance breakdown
Germination Reliability
High seed count ensures successful crop establishment for home gardeners.
Flavor Profile
Renowned sweetness and crisp texture define this classic heirloom variety.
Planting Versatility
Flexible sowing windows accommodate both spring and fall growing seasons.
Storage Longevity
Short shelf life requires immediate consumption after the summer harvest.
Climate Adaptability
Frost tolerance provides a significant advantage for cooler northern regions.
Growth Complexity
Long day requirements demand careful planning for optimal bulb development.
Key Specs
Botanical Name
_Allium cepa_
Type
HEIRLOOM
Day Length
Long Day
Minimum Seeds per Packet
200
Packet Weight
1g
Planting Season
Spring or Fall
Sowing Method
Direct Seed or Transplant
Seed Depth
1/2"
Features
- Large, sweet golden onions
- Heirloom quality seeds
- Suitable for fall or spring planting
- Frost tolerant for cooler climates
- Crisp white flesh
- Overwinters for early harvest
- Long Day variety
What customers say
Customers highly value the Walla Walla Sweet Spanish Onion Seeds for their exceptional quality and reliability. Reviewers consistently report high germination rates, leading to successful harvests of large, mild onions perfect for fresh eating. The seeds deliver on their promise, providing a superior flavor profile compared to standard store-bought varieties. Gardeners appreciate the robust health of the resulting seedlings and the impressive bulb size achieved. This product is seen as a premium foundation for a rewarding harvest, justifying the investment through consistent, sweet results, even for novice growers following basic instructions.
Know before you buy
Long Day onions require 14 to 16 hours of daylight to trigger bulb formation. They are best suited for northern regions where summer days are long enough to support their growth cycle.
No, Walla-Walla Sweet Spanish onions have a high water content and a mild flavor profile, which means they do not store well. They are best enjoyed fresh shortly after harvest.
You can do both. Fall planting allows the onions to overwinter for an early June harvest, while spring planting will yield a crop in late summer or early fall.
Each packet contains a minimum of 200 heirloom seeds, providing plenty of stock for a standard home garden.
No, these onions are not recommended for containers. They require consistent ground soil conditions and specific spacing to reach their full, large size.
Plant the seeds at a depth of 1/2 inch. Ensure the soil remains consistently moist until germination occurs, which typically takes between 6 and 16 days.
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Ask Hayley anything about this product before you decide.