🎃 Cucurbita maxima Winter Squash ‘Burgess Buttercup’ – Sweet, Dense, Nutty Flesh with Excellent Winter Storage

‘Burgess Buttercup’ is a classic heirloom winter squash producing dark green, turban-shaped fruits with a distinctive grey “button” on top. The rich orange flesh is exceptionally sweet, dense, smooth and nutty, making it one of the best varieties for roasting, soups, mashing, and baking. Each fruit typically weighs 1.5–2.5 kg (3–5 lb) and stores extremely well through winter. Vigorous vines produce reliable yields and thrive in warm, sunny positions.

Key Features

● Exceptionally sweet, dense, nutty orange flesh

● Excellent winter storage variety

● Vigorous vines with high productivity

● Ideal for roasting, soups, baking, and purées

How to Sow & Grow Winter Squash ‘Burgess Buttercup’ (Cucurbita maxima) – UK

Sow indoors: IV–V (April–May) in pots

Transplant outdoors: V–VI (May–June) once frost danger has passed

Direct outdoors: V–VI (May–June) in warm, prepared soil

Harvest: IX–X (September–October)

Germination temperature: 20–25 °C (68–77 °F)

Average germ time: 7–14 days

Depth: 2–3 cm (¾–1¼ in)

Light required: Yes

Moisture: Keep soil evenly moist

Environment: Full sun

Soil type: Rich, fertile, moisture-retentive soil

Plant spacing: 1.5–2 m (5–6.5 ft)

Vine length: 2–3 m (6.5–10 ft)

Sowing & Growing Tips (variety-specific)

● Start indoors for earlier fruit set, especially in cooler regions.

● Mulch generously to retain moisture and support large fruits.

● Feed regularly once vines begin running.

● Harvest when rind hardens and the stem becomes corky.

● Cure fruits for 10–14 days in a warm, airy place to improve storage.

Special Features

● Outstanding winter keeper with rich gourmet flavour

● Dense, dry flesh perfect for roasting and baking