How to Grow Cucumber
Ready to grow Cucumber?
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🛠️ Supplies You'll Need
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Find Your Cucumber Planting Dates
🌿 Plant Overview
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
High (consistent moisture)
↔️
Spacing
36" apart
🌱
Depth
1" deep
📏
Height
12-72"
🌱
Germination
3-10 days
Ready to Grow Cucumber?
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🤝 Good Companions
⚠️ Avoid Planting Near
🌾 Seed Saving Guide
🟡 ModerateWhen to Harvest Seed
Leave a cucumber on the vine well past edible stage until it turns yellow or orange and starts to shrivel.
Processing
Scoop seeds into water, ferment 3 days, rinse, spread on screen to dry for 2 weeks.
Seed Viability
Up to 5 years when stored cool, dark, and dry.
Pro Tip
Cucumbers cross freely between varieties. Isolate by 500 feet or hand-pollinate and bag flowers to keep varieties pure.
Seed Storage Supplies
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Raised Bed Planting Guides
A 4×8 bed fits 3 plants of Cucumber. See plant counts, spacing grids, and companion pairings for every bed size →
Cucumber Planting Calendar by Zone
Cucumber Planting Calendar by State
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Frequently Asked Questions
When should I plant Cucumber? +
Sow Cucumber seeds directly in the garden 6 weeks before your last frost date. Use the search on this page to find exact dates for your location.
How long does Cucumber take to grow? +
Cucumber typically matures in about 55 days from planting. Exact timing varies by variety, soil conditions, and local climate.
Should I start Cucumber indoors or direct sow? +
Cucumber does best when direct sown outdoors. Plant seeds directly in the garden at the appropriate time based on your local frost dates.
How much sun does Cucumber need? +
Cucumber requires full sun (6-8 hours) to thrive.
How far apart should I plant Cucumber? +
Space Cucumber plants 36 inches apart to allow adequate airflow and root development.
How much water does Cucumber need? +
Cucumber has high (consistent moisture) water needs. Consistent moisture is important especially during germination and early growth.
Can you save seeds from Cucumber? +
Yes — seed saving difficulty for Cucumber is rated moderate. Leave a cucumber on the vine well past edible stage until it turns yellow or orange and starts to shrivel. Scoop seeds into water, ferment 3 days, rinse, spread on screen to dry for 2 weeks.
How long do Cucumber seeds last in storage? +
Properly dried and stored Cucumber seeds remain viable for up to 5 years. Store in a cool, dark, dry location in an airtight container with a silica gel packet for best results.
Are Cucumber seeds open-pollinated? +
Yes — Cucumber is open-pollinated, meaning seeds saved from your harvest will grow plants true to the parent variety. This makes it an excellent candidate for building a self-sustaining garden.
About Cucumber
Refreshing summer vegetable for salads and pickling. Can be grown on trellises to save space.
Expect your Cucumber to be ready for harvest in approximately 55 days from planting.
Use the search above or browse by zone or state to find the perfect planting dates for your location.