SproutSmart
SproutSmart™ Intelligent Garden Sowing

Spacemaster

Cucumber
Zone 7b Save Garden

Planting Schedule

Add Spacemaster to your garden to build a schedule and get reminders.
Botanical illustration of Spacemaster
55d to harvest

Cool, crisp flesh with a clean, bright snap—Spacemaster cucumber delivers a refreshing bite and a subtly sweet, garden-fresh flavor in every slice. Its medium-dark green fruit stays pleasantly firm with a smooth, even skin, making it a standout for slicing and showcasing in salads and fresh platters. Grow it for dependable midsummer harvests and a tidy, space-smart performance that keeps your vines productive.

Crop Dates

MilestoneDate
Start IndoorsApr 10th
Last FrostApr 10th
Transplant / Sow OutdoorsApr 24th
Harvest BeginsJun 18th
Harvest EndsOct 28th

Crop Details

TraitValue
Days to Maturity55
Sun RequirementsFull SunFull sun
Growth HabitVine
Support NeededTrellis
Planting DepthNormal
Germination Temp (°F)75
Min Soil Temp (°F)70
Min Night Temp (°F)55
Harden Off (days)12

Today's Conditions

Outdoor planting for Spacemaster in Zone 7b typically begins around 2026-04-24. Wait until soil reaches at least 70°F before transplanting Spacemaster.

Garden Alerts

In Zone 7b, the average last spring frost is around April 10. Watch soil temperature before transplanting Spacemaster.

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Frequently Asked Questions

What pest or disease problem commonly affects Cucumis sativus (cucumber), and how do I treat it?
Powdery mildew is a frequent issue on cucumber leaves, especially as days warm and foliage stays humid. Start treatment at the first white, powdery patches by spraying a labeled potassium bicarbonate or horticultural sulfur product, ensuring full coverage of leaf undersides, and remove the most heavily infected leaves to slow spread. Space plants for airflow and avoid wetting foliage when watering to reduce repeat outbreaks.
How often should I water cucumber (Cucumis sativus) during the main growing phase?
During fruiting, keep the soil evenly moist—water about 1–2 times per week so the top 1–2 inches stay damp, and increase frequency during hot, windy weather. Aim for deep watering at the base (not on leaves) because cucumber roots need consistent moisture to prevent bitter or misshapen fruits. If you let the soil dry out between waterings, cucumbers often develop uneven growth and quality.
Botanical illustration of Spacemaster

Cool, crisp flesh with a clean, bright snap—Spacemaster cucumber delivers a refreshing bite and a subtly sweet, garden-fresh flavor in every slice. Its medium-dark green fruit stays pleasantly firm with a smooth, even skin, making it a standout for slicing and showcasing in salads and fresh platters. Grow it for dependable midsummer harvests and a tidy, space-smart performance that keeps your vines productive.

Today's Conditions

Outdoor planting for Spacemaster in Zone 7b typically begins around 2026-04-24. Wait until soil reaches at least 70°F before transplanting Spacemaster.

Garden Alerts

In Zone 7b, the average last spring frost is around April 10. Watch soil temperature before transplanting Spacemaster.

Sowing Tips

Transplant Conditions

Wait until soil reaches 70°F and nights stay above 55°F before moving outdoors. Harden off for 12 days first.

Direct Sow Preferred

Sensitive roots — does not transplant well. If starting indoors, use biodegradable pots and disturb roots as little as possible when moving outdoors.

Expert Note

For Spacemaster’s bushy container habit, warm the soil and transplant only after nights are consistently mild to avoid shock and keep vines productive.