Oceanside Spinach Hybrid Seeds (Spinacia oleracea) – F1 Hybrid, Downy Mildew Resistant, Tender Dark Green Baby Greens in 25 Days, Cold-Hardy Cool-Season Garden Vegetable

Minimum: 50+ Seeds

Oceanside Spinach Hybrid — The Downy Mildew Fighter That Keeps Producing Into Winter

Oceanside spinach is what happens when a breeder decided that spinach needed to stop being a fair-weather crop. The thick, tender, dark green smooth leaves emerge fast... baby greens at 25 days... and keep producing for more than a month without bolting, even as temperatures fluctuate. The plant has high resistance to downy mildew races that plague every other spinach variety, making it the go-to for growers in humid climates, and it is so frost-hardy that fall-sown plants overwinter even in sub-zero conditions. In warm seasons it sits comfortably at the cool end of spring and fall. In actual winter, with minimal protection, it keeps producing while everything else dies.

Who Grows Oceanside Spinach?

Cold-climate gardeners who want fresh spinach when nothing else grows. Growers battling downy mildew who have tried five other varieties and lost all of them. Market farmers planting succession crops through fall and winter. Home gardeners who love spinach but hate the race against bolting in warm weather. And anyone who has grown spinach before and wants something dependable and tough.

What This Plant Actually Is

Spinacia oleracea, an F1 hybrid spinach with thick, tender, very dark green smooth round-oval leaves in an upright growth habit. The plant produces true baby greens in 25 to 30 days and reaches full maturity in 40 to 60 days. Leaves are easy to clean, uniform in size, and slow to wilt or discolor. The flavor is mild and sweet. Most importantly, the variety has high resistance to downy mildew races 1-9, 11, 13, 15-17, and some intermediate resistance to additional races that kill other spinaches. The plant is extremely frost-hardy and cold-tolerant, with fall-sown plants capable of overwintering even in climates with sub-zero winter temperatures. It is also notably slow to bolt, holding quality and color for more than a month even during inconsistent spring and fall weather.

In the Kitchen

• Baby Leaf Salads: Harvest at 25-30 days for tender, mild leaves perfect raw in green salads.
• Sautéed Side Dish: Thick leaves don't wilt to nothing. Sauté with garlic, cream, or just olive oil.
• Stir-Fries: Add at the last minute. The mild flavor doesn't overpower other ingredients.
• Soups: Tender enough to use raw in cold soups or added to warm broths at the end.
• Bunched Harvest: Let full-size leaves mature for substantial bunches ideal for cooking.

Growing Oceanside Spinach

• Sowing: Direct sow as soon as soil can be worked in spring, 4-6 weeks before last frost. Sow again in mid to late summer for fall harvest.
• Soil Temperature: Prefers 50-75°F. Minimum 40°F for germination; spinach won't germinate above 85°F.
• Spacing: 6-12 inches apart for full-size plants. Sow densely (30 seeds per foot) if harvesting baby greens.
• Sunlight: Full sun, at least 6 hours daily. Tolerates part shade.
• Soil: Well-drained, fertile soil with consistent moisture.
• Water: Regular moisture. Do not let soil dry out completely.
• Succession Planting: Sow every 2 weeks until 2 weeks before first fall frost for continuous harvest.
• Frost Hardiness: Extremely cold-hardy. Seedlings tolerate light frosts; mature plants tolerate heavy frosts.
• Days to Harvest: 25-30 days for baby leaves, 40-60 days for full bunches.

Before You Close This Page

Baby greens in 25 days. High resistance to downy mildew (races 1-9, 11, 13, 15-17). Extremely cold-hardy; overwinters even in sub-zero climates. Slow to bolt even during temperature swings. Thick, tender, smooth dark green leaves. Works for baby leaf, succession plantings, and winter production. F1 hybrid for uniformity and reliability. The spinach that actually survives winter.