SproutSmart
SproutSmart Intelligent Garden Sowing

Prelude

Raspberry
Botanical illustration of Prelude
🌱 50d to harvest Shrub

Sunlit, jewel-bright raspberries of Prelude arrive with a sweet-tart perfume and a tender, melt-in-your-mouth texture that feels …

Planting Schedule

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

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostMay 15th
Transplant / Sow OutdoorsMay 15th
Harvest BeginsJul 4th
Harvest EndsSep 1st

Crop Details

TraitValue
Days to Maturity50
Sun RequirementsFull SunFull sun
Growth HabitShrub
Support NeededNone
Planting DepthNormal
Germination Temp (°F)65
Min Soil Temp (°F)N/A
Min Night Temp (°F)28
Harden Off (days)Not Required

Frequently Asked Questions


How do I manage botrytis (gray mold) on Rubus idaeus (raspberries) during cool, humid weather?
Gray mold (Botrytis) shows up as fuzzy gray growth on canes, flowers, or ripe fruit—especially when plants are crowded and stays wet overnight. Remove and discard infected canes/fruit immediately, thin canes for airflow, and avoid overhead watering. If it keeps recurring, treat early with a labeled botrytis fungicide for raspberries and follow the label re-treatment interval, focusing on bloom and fruiting periods.
What watering schedule and soil moisture level should I maintain for Rubus idaeus during the main growing phase?
Keep raspberry roots consistently moist but not waterlogged from spring through fruiting, aiming for evenly damp soil 2–3 inches down. Water deeply about 1–2 times per week depending on heat, and more often during hot, dry spells so new canes develop well. Mulch helps stabilize moisture, but stop short of saturating—soggy soil increases root stress and disease.
How can I tell when Rubus idaeus is ready to harvest at about 50 days?
Harvest when berries are fully colored and easily detach with a gentle twist; they should come off the receptacle without forcing. Ripe berries feel slightly soft, but still firm enough to hold their shape. Taste a few—if they’re sweet and aromatic and the rest of the cluster is similarly ripe, pick promptly to prevent overripening and gray mold.
Botanical illustration of Prelude

Sunlit, jewel-bright raspberries of Prelude arrive with a sweet-tart perfume and a tender, melt-in-your-mouth texture that feels almost velvety on the palate. Expect berries that are richly colored and delightfully juicy, ideal for fresh enjoyment and for turning into luscious sauces, preserves, and vibrant desserts. With about 50 days to maturity, Prelude is a fast, rewarding choice for gardeners who want a steady harvest of fragrant berries from the first blush of summer onward.

Sowing Tips

Transplant Conditions

Wait until soil reaches 60°F and nights stay above 28°F before moving outdoors.

Expert Note

For early harvest like ‘Prelude,’ plant in full sun with well-drained soil, then prune properly (remove spent floricanes and thin primocanes) to keep vigor and maximize early primocane fruiting.