Tokiwa

Cucumber

Zone 5b Save Garden

🌱 50d to harvest Vine

Crisp as cool morning air, Tokiwa Asian cucumber delivers a clean, bright snap with a subtly sweet, fresh flavor and a tender, th…

Crop Dates

Milestone	Date
Start Indoors	Apr 20th
Last Frost	May 4th
Transplant / Sow Outdoors	May 4th
Harvest Begins	Jun 23rd
Harvest Ends	Oct 5th

Crop Details

Trait	Value
Days to Maturity	50
Sun Requirements	Full Sun
Growth Habit	Vine
Support Needed	Trellis
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	65
Min Night Temp (°F)	55
Harden Off (days)	12

Recommended Companions

Butter and Sugar Corn

Frequently Asked Questions

Why are my Cucumis sativus (“Tokiwa” cucumber) vines suddenly developing white powdery spots and distorted leaves, and what should I do?

This is often powdery mildew, common on cucumbers in warm, humid conditions with poor airflow. Remove the most affected leaves, improve spacing and airflow, and water at the base (not over the foliage). If it’s spreading, treat with a labeled fungicide for powdery mildew on cucumbers and follow the label reapplication timing.

How often should I water Cucumis sativus during the main growing phase to keep fruits developing properly?

During active vine growth and fruit set (roughly weeks after emergence through harvest), keep soil evenly moist—not soggy. Water deeply about 1–2 times per week, then adjust to weather so the top 1 inch of soil stays consistently moist; sandy soils may need more frequent watering. Avoid letting the soil dry out completely because cucumbers can develop bitter or poorly set fruit after drought stress.

How can I tell when my Cucumis sativus (“Tokiwa” cucumber) is ready to harvest?

Harvest when fruits reach their typical mature size for the variety and feel firm, with skin that looks glossy rather than dull. Check daily as plants can mature quickly near day 50, and pick before fruits start to look overgrown or develop a soft, yellowing cast. For best flavor and continued production, cut fruits using pruners rather than twisting.

Crisp as cool morning air, Tokiwa Asian cucumber delivers a clean, bright snap with a subtly sweet, fresh flavor and a tender, thin skin that stays pleasantly unwaxed in the garden. At maturity, the fruit forms a graceful, medium-long shape with a vivid green tone and a lightly bumpy texture that feels wonderfully lively to the touch. Grow Tokiwa for fresh slicing, quick pickling, and vibrant relish-style preparations that showcase its crisp bite and refreshing character.

Sowing Tips

Transplant Conditions

Wait until soil reaches 65°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

Climb it on a trellis and keep the soil consistently moist—vigorous cucumbers like yours start producing earlier with steady watering and warm soil.