SproutSmart
SproutSmart Intelligent Garden Sowing

Buttercup

Squash
Botanical illustration of Buttercup
🌱 95d to harvest Vine

Buttery-sweet Buttercup Squash delivers a vivid, sunlit exterior and a dense, velvety interior that feels almost custardy when fu…

Planting Schedule

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

Crop Dates

MilestoneDate
Start IndoorsDec 25th
Last FrostJan 1st
Transplant / Sow OutdoorsJan 8th
Harvest BeginsApr 13th
Harvest EndsDec 31st

Crop Details

TraitValue
Days to Maturity95
Sun RequirementsFull SunFull sun
Growth HabitVine
Support NeededTrellis
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)65
Min Night Temp (°F)55
Harden Off (days)10

Frequently Asked Questions


My buttercup leaves are mottled and curling—what pest or disease is most likely, and what should I do?
Mottled, curling leaves on buttercup are often a sign of aphids feeding and spreading viruses. Spray the plants with a strong jet of water to knock aphids off, then apply insecticidal soap (especially under leaves) every 5–7 days for 2–3 rounds. Remove and discard any badly distorted plants to limit virus spread in the bed.
How often should I water buttercup during the main growing phase?
During active growth (about weeks 3–8 after germination), keep the top 1 inch of soil consistently moist but not waterlogged. Water deeply about 1–2 times per week, and increase frequency only if the top inch dries out quickly—avoid daily light watering. After the plants establish, reduce watering slightly to prevent crown rot in wet soils.
How can I tell when buttercup is ready to harvest (95 days)?
Harvest when flower buds are fully colored and just starting to open, and the stems are firm rather than soft. If you’re growing buttercup for seed, wait until the seed heads turn tan-brown and the seeds rattle inside when gently shaken. In both cases, harvest in the morning after dew dries to reduce rots on cut stems.
Botanical illustration of Buttercup

Buttery-sweet Buttercup Squash delivers a vivid, sunlit exterior and a dense, velvety interior that feels almost custardy when fully ripened. The flesh is rich and aromatic with a smooth, fine-grained texture that holds its character beautifully for roasting and mashing, and it also shines in soups, sauces, and hearty baked preparations. Grow Buttercup for a dependable 95-day harvest and a showpiece squash that tastes as good as it looks.