Pumpkin (squash)
Pumpkin (squash): Sowing, planting and harvest calendar
Pumpkins are annual squashes in the Cucurbitaceae family, familiar for their often rounded fruits and their role in Halloween decorations. Many traditional pumpkin cultivars belong to Cucurbita pepo, but the common English name also covers forms of other squash species. Everyday names do not always follow strict botanical boundaries. An orange skin or a large fruit is therefore not enough to establish the species of a pumpkin.
The familiar pumpkin has a firm outer covering, ribs of varying prominence and a stalk joining the fruit to the stem. Inside, flesh surrounds a cavity containing seeds. Cultivars differ in fruit size, outline, colour and the texture of their flesh. Some produce small fruits, others much larger ones, and pale-skinned types also exist. A fruit that suits carving into a lantern does not necessarily have the qualities wanted for a pie. Decorative appeal and culinary character can vary independently.
The plant develops herbaceous stems, often long and trailing, together with large leaves. More compact habits exist among certain cultivars. Yellow male and female flowers occur on the same plant. At the base of a female flower sits an ovary that already resembles a small fruit. Pollinating insects help move pollen between flowers. This links flowering with fruit formation, without guaranteeing a fixed or identical number of pumpkins from each plant.
Pumpkins are generally used as mature fruits. Their flesh may be mildly sweet, dense or more fibrous, depending on the cultivar, and flavour is not determined by size alone. Culinary cultivars can feature in soups, gratins, purées, fritters and pies. You can therefore encounter pumpkin in both savoury dishes and desserts, with very different combinations of herbs and spices. The suitability of the flesh matters as much as the appearance of the whole fruit.
In the vegetable garden, the progression from flowers to enlarging fruits makes the annual cycle easy to observe. Their shapes and colours also give pumpkins decorative interest, particularly associated with autumn. That seasonal association does not make the plant frost resistant: its herbaceous tissues remain sensitive to freezing temperatures. Between food, decoration and cultivar diversity, pumpkins have a distinctive place among squashes, extending well beyond the giant specimens seen at competitions.
Pumpkin (squash)
- Type : Vegetables
- Subtype : Fruiting vegetables
- Botanical Family : Cucurbits
Characteristics
- Lifecycle : Annual
- Exposure : Full Sun
- Frost Hardiness : Frost Sensitive
- Cultivation Difficulty : Easy
- Mature height : 50 cm
Sowing & Planting
- Greenhouse Growing : Not Required
- Sowing Depth : 2 cm
- Plant Spacing : 120 cm
- Row Spacing : 120 cm
Maintenance
- Maintenance : Moderate
- Water Requirements : High
Other characteristics
- Soil Type : Humus-rich
- Soil pH Preference : Neutral
- Pest Sensitivity : Moderate
- Disease Sensitivity : Moderate
- Weed Sensitivity : Moderate
- Pollination : Insect-pollinated
- Propagation : Sowing