Burgess Buttercup Squash
Cucurbita maxima
Contains ~ 25 seeds per packet
Germination: 90% Feb 2025 Packed for 2026
Origins, Migration, and History of Domestication
Burgess Buttercup Squash belongs to the species Cucurbita maxima, a group domesticated in South America thousands of years ago, particularly in regions that are now Peru, Bolivia, and Argentina. Indigenous farmers selectively bred these squashes for dense flesh, storability, and flavor, creating a wide diversity of forms that later spread throughout the Americas via trade and migration routes. Following the Columbian Exchange, Cucurbita maxima varieties were introduced to Europe and eventually reintroduced into North American breeding programs. The Burgess Buttercup variety itself was stabilized in the early 20th century in the United States, gaining popularity for its consistent quality, compact size, and exceptional eating characteristics—making it a classic heirloom winter squash still valued today.
Appearance and Characteristics
Burgess Buttercup Squash is easily recognized by its distinctive turban-like shape, with a flattened, round body and a pronounced button or “cap” on the blossom end. The rind is typically dark green, sometimes with faint striping, and hardens as it matures for long-term storage. Inside, the flesh is a deep, vibrant orange—thick, smooth, and fine-grained. Fruits generally weigh between 3–5 pounds, making them ideal for household use. The plant itself is a vigorous, trailing vine with large, broad leaves typical of Cucurbita maxima, producing high yields under favorable conditions.
Culinary Uses
Renowned for its rich, sweet, and nutty flavor, Burgess Buttercup Squash is considered one of the finest eating winter squashes. Its dry, dense texture makes it perfect for baking, roasting, and mashing. It holds its shape well in soups and stews and can be used in pies, purees, and traditional dishes across cultures. The natural sweetness intensifies after curing and storage, making it especially prized for fall and winter cooking.
Growing Tips and Sow Depth
This warm-season crop thrives in full sun and well-drained, fertile soil rich in organic matter. Direct sow seeds after the danger of frost has passed and soil temperatures reach at least 70°F (21°C). Sow seeds at a depth of 1–1.5 inches, spacing hills about 4–6 feet apart to accommodate vigorous vine growth. In regions with shorter growing seasons, seeds may be started indoors 2–3 weeks before transplanting. Consistent watering is essential, especially during flowering and fruit set, but avoid waterlogging. Mulching helps retain soil moisture and suppress weeds.
Harvesting Guidance
Burgess Buttercup Squash is typically ready to harvest 90–105 days after planting. Harvest when the rind is hard, the color is deepened, and the stem begins to dry and cork. Cut fruits from the vine with a few inches of stem attached to improve storage life. Cure harvested squash in a warm, dry place for 10–14 days to enhance sweetness and extend shelf life. When properly cured and stored in a cool, dry environment, Burgess Buttercup Squash can last several months, providing a reliable and nutritious food source well into the winter season.
