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SproutSmart Intelligent Garden Sowing

Longissima

Bottle Gourd
Botanical illustration of Longissima
🌱 65d to harvest Vine

A long, elegant bottle gourd that arrives with a satin-smooth skin and a gentle, fresh flavor that feels clean and bright. Longis…

Planting Schedule

Add Longissima to your garden to build a schedule and get reminders.

Crop Dates

MilestoneDate
Start IndoorsMay 18th
Last FrostMay 25th
Transplant / Sow OutdoorsJun 1st
Harvest BeginsAug 5th
Harvest EndsAug 29th

Crop Details

TraitValue
Days to Maturity65
Sun RequirementsFull SunFull sun
Growth HabitVine
Support NeededTrellis
Planting DepthNormal
Germination Temp (°F)75
Min Soil Temp (°F)65
Min Night Temp (°F)55
Harden Off (days)10

Frequently Asked Questions


What pests or diseases commonly affect Lagenaria siceraria (bottle gourd) and how do I fix them?
Watch for powdery mildew (white dust on leaves) and cucumber beetles. Improve airflow by spacing vines properly and remove heavily infected leaves early, then spray a sulfur-based fungicide labeled for cucurbits at the first signs of mildew. For cucumber beetles, use floating row cover until flowering, and hand-pick adults in the morning if numbers are low; keep weeds down because they support beetles.
How often should I water Lagenaria siceraria during the main growing phase?
During active vine growth and fruit enlargement, keep the soil consistently moist but not waterlogged—about 1 inch (2.5 cm) per week total from rainfall and watering. Water at the base early in the day so leaves stay dry, and adjust upward in hot weather or down if soil stays wet or you see yellowing from soggy roots. Mulch around the vines to reduce moisture swings that can trigger blossom drop.
How can I tell when to harvest Lagenaria siceraria?
Harvest when fruits reach the desired size and the skin is fully firm and glossy, typically around 65 days from sowing (varies by temperature and trellis conditions). Use a fingernail to test the rind—if it resists denting and the stem connection looks mature, cut with a sharp knife leaving a short stem. Avoid harvesting too early, because immature bottle gourds can’t cure well and store poorly.
Botanical illustration of Longissima

A long, elegant bottle gourd that arrives with a satin-smooth skin and a gentle, fresh flavor that feels clean and bright. Longissima’s fruits develop a graceful, elongated silhouette and a tender, pale interior texture that’s especially prized for turning into silky, comforting preparations and for refreshing use when young. Grow it for the sheer pleasure of watching its vines lengthen and its gourds lengthen with them—an abundant, garden-filling harvest at about 65 days.

Sowing Tips

Transplant Conditions

Wait until soil reaches 65°F and nights stay above 55°F before moving outdoors. Harden off for 10 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

Warm soil is key—use black plastic or row cover until night temperatures stay reliably mild, and trellis early for straighter gourds.