Description
Introduced in 1893 in New York, the white wonder cucumber (Cucumis sativus ‘White Wonder’) is an heirloom variety of cucumber that is characterized by stunning ivory skin, dark green foliage, and a fresh, crisp texture. White wonder cucumbers are enjoyed fresh, pickled, and cooked and add a decorative touch to nearly any dish. This plant grows cucumbers that are about 6 to 8 inches long, and 2 to 3 inches wide.
Like most cucumber plants, white wonder is planted after the last frost in spring. The vining foliage grows rapidly, and the fruit is ready to harvest about two months after the planting date.
Growing white wonder cucumbers is very similar to growing regular cucumbers. They require lots of light, lots of water, and lots of fertilizer, as with most vegetables. However, because of their long vines, white wonder cucumbers can be trellised easily, which helps the fruits to grow straighter and protects them from blemishes and diseases caused by fruits touching the ground directly. These heirloom cucumbers require lots of space in the garden—at least 10 inches apart when grown on trellises, and at least 24 inches apart if grown in the ground—so they are not ideal for small spaces.
Germination Guide
🌍 Indian subcontinent, Himalaya region to northern Thailand
Easy
Cucumis sativus is a warm-season annual vine native to Asia that has been cultivated for over 3,000 years. Seeds germinate rapidly within 3-10 days when soil temperatures are warm (70-90°F), making cucumber cultivation straightforward. Being well-adapted to warm conditions, cucumbers are highly productive vegetables that require no special seed treatments beyond optional fermentation or soaking to accelerate germination.
Germination
Germination time
Expect germination in
3 – 10 days
Temperature
Min 21°C
Ideal 26°C
Max 32°C
Substrate moisture
💧 Medium
Seed Pre-treatment
-
💧
Soaking — 24 hours
Fermentation in water for 1-2 days until jelly coating dissolves, or soaking for 6-12 hours in warm water can accelerate germination
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📋
Additional notes
Harvest seeds from mature fruit, scrape out jelly coating, ferment in water for 1-2 days until coating dissolves, then dry seeds thoroughly
Substrate & Container
Recommended substrate
Well-drained, fertile, moist soil with pH 6.0-6.8
Recommended container
Biodegradable peat or coco coir pots, 50-cell plug trays for indoor starting
Growing Tips
Seeds require minimum 70°F soil temperature for germination; do not soak after planting as overwatering causes rot. Soak seeds 6-12 hours or ferment 1-2 days before sowing for faster sprouting. Start seeds indoors 3-4 weeks before last frost in biodegradable pots to avoid root disturbance during transplanting. Direct seed after last frost when soil exceeds 70°F, spacing 12-24 inches apart. Plant 0.5-1 inch deep. Seedlings need bright light immediately after sprouting to prevent legginess; provide 14-16 hours daily. Maintain soil consistently moist but not waterlogged. Provide trellis or stakes for vine support. Cross-pollination will occur if multiple varieties are planted near each other. Harvest when 2-6 inches long for best tenderness.
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