Name: Organic 'Butternut' squash
Brand: Biologiquement vôtre
SKU: BIOV-SEMENCES
Price: 4.49 CAD
Availability: InStock

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Pale-beige pear-shaped organic Butternut squash ripening on long vines among broad green leaves in a sunny vegetable garden, showing the fruit's smooth rind and distinctive neck. The image highlights their long cylindrical necks, rounded seed-bearing bases, and mature beige colour, useful features for recognizing this popular storage squash at harvest time.

Running winter squash with orange flesh Cucurbitaceae

Semences biologiques de courges d’hiver

Biologiquement vôtre

Cucurbita moschata

From seed to harvest

Open-pollinated

Common nameButternut squash

FamilyCucurbitaceae

GenusCucurbita

Speciesmoschata

TypeRunning winter squash with orange flesh

Botanical nameCucurbita moschata

Reproducible seedsYes

Quantity per packetApproximately 25 seeds

Organic 'Butternut' squash (Cucurbita moschata) is a vigorous annual winter squash that develops long running vines and pale-beige pear-shaped fruit. Its dense fine orange flesh becomes sweet, velvety, and subtly nutty when cooked. The seed cavity is concentrated in the bulbous base, while the long neck provides a generous amount of flesh that is easy to slice. This versatile squash suits soups, purées, gratins, curries, risottos, sauces, roasted cubes, breads, and muffins. Harvested at full maturity and properly cured, it brings the garden's flavour into fall and winter meals while offering gardeners a satisfying storage crop.

For best results, sow after all frost risk once the soil has warmed to at least 18°C. Plant seeds about 2.5 to 3 cm deep directly outdoors, or start them in individual pots three to four weeks before transplanting. Choose full sun and deep fertile soil enriched with compost and freely drained. Long vines require generous room, so allow approximately 90 to 120 cm between plants and 120 to 180 cm between rows. Transplant carefully without disturbing the roots. Remove protective covers when flowering begins so bees and other pollinators can reach both male and female blossoms.

Water deeply at soil level when the surface begins to dry, and apply organic mulch only after the ground has warmed. Even moisture supports steady growth, while keeping foliage as dry as practical helps reduce disease pressure. Harvest before hard frost when the rind is uniformly beige, resists a thumbnail, and the stem has become dry and woody. Cut each fruit with a clean tool, leaving several centimetres of stem attached. Cure for 7 to 14 days in a warm dry well-ventilated place, then store only sound unbruised squash in cool dry airy conditions. Check stored fruit regularly and use any damaged squash promptly.

Light and life cycle

In the garden

Exposure: Full sun
Life cycle: Warm-season annual

Sowing and germination

Sowing guide

Sowing & germination

Sowing depth

Approximately 2 to 2.5 cm (3/4 to 1 in)

Spacing / density

Approximately 90 to 120 cm (36 to 48 in) between plants and 120 to 180 cm (4 to 6 ft) between rows

Germination temperature

Approximately 21 to 35 °C (69.8 to 95 °F)

Germination time

Approximately 7 to 14 days

Sowing period

After all frost risk in warm soil, or indoors three to four weeks before transplanting

Propagation

Direct sowing in warm soil or indoor sowing three to four weeks before transplanting

Growing method

Growing squash from seed. Sow after all frost risk once the soil reaches at least 18°C. Plant two or three seeds per site about 2.5 cm deep, then retain the strongest seedling after emergence. You may also start one plant per pot three to four weeks before transplanting. Choose full sun and deep fertile compost-enriched soil with excellent drainage. Allow 90 to 120 cm between plants and 120 to 180 cm between rows. Water deeply at soil level, then let the surface dry slightly before watering again. Mulch after the ground warms and remove protective covers as blossoms appear. Monitor cucumber beetles, squash bugs, and powdery mildew, and avoid abruptly moving vines that have rooted at their nodes. Harvest generally after 95 to 110 days when the rind is beige and thumbnail hard and the stem becomes dry and woody. Cut with several centimetres of stem attached, cure for 7 to 14 days, then store in cool dry well-ventilated conditions. Inspect fruit regularly and use any damaged squash promptly. Avoid excessive nitrogen, which can favour leaves over flowers and fruit. During hot spells, check moisture beneath the mulch and irrigate slowly rather than giving frequent shallow watering. Rest fruit on a board or dry straw, preserve healthy leaves that support ripening, and watch the frost forecast as fall approaches.

Soil and care

Soil & care

Soil pH

Approximately 5.8 to 6.8

Moisture

Evenly moist drained soil during growth; dry curing conditions

Minimum temperature

10 °C (50 °F)

Care level

Moderate

Watering

The long vines and maturing fruit of 'Butternut' squash require a broadly moistened root zone rather than frequent surface sprinkles. Water 'Butternut' squash slowly at the base, widening the wetted area as it spreads, and let excess drain between irrigations. Keep 'Butternut' squash's leaves dry when practical and do not force the stream against stems, flowers, or fruit near the soil. Even 'Butternut' squash's large container can dry beneath full foliage, so inspect it daily during heat and empty its saucer. Once 'Butternut' squash's fruit reaches useful size, continue even watering and avoid a sudden heavy irrigation after drought.

Soil type

'Butternut' squash needs warm, deep soil that can support its vigorous running and widely spreading growth without holding stagnant water. Across 'Butternut' squash's planting area, incorporate mature compost without creating one wet pocket, and loosen compacted layers before planting. For 'Butternut' squash, the supplied pH range is approximately 5.8 to 6.8; verify it with a soil test. Give 'Butternut' squash a sunny raised or mounded bed where native ground warms slowly or drains poorly. Container-grown 'Butternut' squash needs the recommended root volume, airy vegetable mix, and drainage unobstructed beneath its canopy.

Fertilization

Give 'Butternut' squash a well-prepared, fertile root zone before planting. Mature compost can support soil structure as well as nutrition; additional fertilizer should follow a soil test or label. Avoid late, heavy nitrogen applications that favour more foliage when the remaining season is needed for fruit development and ripening. Keep the soil appropriately moist after feeding and check plant condition before repeating an application. In containers, account for nutrients already present in the mix.

Seasonal care

Seasonal care for squash. For the first sowing of 'Butternut' squash, use this crop-specific timing as a guide and adjust it to the garden: after all frost risk in warm soil, or indoors three to four weeks before transplanting. Sow approximately 2 to 2.5 cm deep. Expect germination in 7 to 14 days at approximately 21 to 35 °C (69.8 to 95 °F); keep the medium evenly moist but aerated throughout that interval. Move seedlings outdoors only after frost risk has passed and the soil is thoroughly warm; protect the root ball because cucurbits dislike disturbance. Build a broad, sunny, well-drained planting area, incorporating mature compost without making a soggy pocket at the crown. Allow the stated spread and direct vines or broad leaves before they cover paths or shade smaller crops. Water deeply at the base, widening the irrigated zone as growth advances and keeping foliage as dry as practical. If potted, follow this provision for 'Butternut' squash: at least 100 L and 50 to 60 cm (20 to 24 in) deep. Recheck root-zone moisture whenever heat or wind increases evaporation. Once flowers open, avoid disturbing visiting bees, inspect leaf undersides for pests, and remove only clearly damaged tissue. Use the supplied harvest guidance—the crop-specific ripening stage—as a planning reference, then judge each fruit by the cultivar's colour, firmness, and intended harvest size. Wait for full storage maturity, then cure only sound fruit under suitable dry conditions. Before frost, collect usable fruit and remove vines with mildew or rot rather than composting heavily diseased material beside the bed.

Growing in containers

Container growing

Recommended pot size

At least 100 L and 50 to 60 cm (20 to 24 in) deep

Growing squash in containers. For Butternut squash, choose a container matching this guide: at least 100 L and 50 to 60 cm (20 to 24 in) deep. Keep several drainage holes unobstructed. Use a large stable container with rich, free-draining mix. 'Butternut' squash needs full sun; nearby walls or taller crops should not compromise it. Keep mulch outside the crown. At final planting, space Butternut squash approximately 90 to 120 cm (36 to 48 in) between plants and 120 to 180 cm (4 to 6 ft) between rows; crowding extra plants reduces access. Set one Butternut squash seedling without disturbing its root ball. Good access around Butternut squash makes inspection and harvest easier, given its habit: vigorous, running, and widely spreading. Water deeply and consistently. Leave enough access around Butternut squash to inspect and cleanly harvest pale-beige pear-shaped fruit with a long cylindrical neck and bulbous seed-bearing base. Guide Butternut squash stems without crushing them and support developing ripening fruit where vertical growth is used. Support fruit developing above the pot, cut it cleanly at harvest, and discard diseased vines after the crop. Harvest 'Butternut' squash with a clean tool, remove failing vines, and do not reuse diseased mix for another cucurbit. Record watering and harvest dates so the next container crop can be adjusted to the site.

Growth and harvest

Size, flowering & harvest

Mature height

Foliage generally 45 to 75 cm (18 to 30 in)

Width / spread

Vines may extend approximately 2 to 4.5 m (6 to 15 ft)

Flower color

Yellow

Foliage color

Green

Foliage type

Large rough lobed leaves on sturdy petioles

Growth rate

Rapid in warm weather

Growth habit

Vigorous running and widely spreading

Edible parts

Cooked flesh; mature seeds after cleaning and roasting

Bloom period

Butternut squash bears separate male and female flowers. Keep the root zone evenly moist during bloom. Bees move 'Butternut' squash's pollen between the flower types. Do not treat every fallen blossom as disease. For this vigorous running and widely cucurbit plant bearing pale-beige pear-shaped fruit, female blossoms carry a swelling resembling young fruit. Let open flowers remain accessible to visiting insects. Remove row cover when Butternut squash begins flowering. Stable growth matters more than forcing extra bloom. For 'Butternut' squash, its female flowers need pollinator access during bloom. For this vigorous running and widely cucurbit plant bearing pale-beige pear-shaped fruit, poor pollination can make young fruit stop enlarging.

Fruiting

Pollinated female flowers develop elongated pear-shaped fruit that changes from green to pale beige at maturity. The bulbous base holds the seeds, while the long neck contains most of the orange flesh. Complete pollination, even soil moisture, and healthy foliage support well-shaped fruit. Quantity and size vary with summer warmth, growing-season length, soil fertility, available space, plant health, and pollinator activity.

Harvest

Harvest before hard frost when rind is uniformly beige and thumbnail hard and the stem becomes dry and corky. Cut with a clean tool while retaining 3 to 5 cm of stem, without carrying fruit by this fragile handle. Cure 7 to 14 days in a warm dry ventilated place, then store cool and dry. Use injured fruit first and discard any frozen, mouldy, slimy, extremely bitter, or abnormal-smelling squash.

Garden companions

Garden associations

Companion plants & uses

Companion plants

Border the bed with thyme, oregano, dill, or other flowers and herbs that welcome a range of insects. Keep an open area around the squash crown to preserve airflow and watering access. Place tall crops to the north so they do not shade the vines. Companion planting does not replace crop rotation, weeding, or pest monitoring. Guide runners regularly so they do not cover nearby seedlings, and water each crop according to its own needs. Leave clear access for inspecting blossoms and harvesting mature fruit.

Plants to avoid

Cucumber, melon

Garden use

Squash in the vegetable garden. Plant 'Butternut' squash at the edge of a large vegetable garden, on a broad mound, or beside an area where long vines can run without blocking paths. Guide shoots between established crops instead of across young vegetables. Broad leaves create dense ground cover, while yellow blossoms attract the pollinators required for fruit set. Keep the crown open and well ventilated. Rest developing fruit on a board, tile, or layer of dry straw to reduce contact with damp soil. A trellis can work only when it is extremely strong and every fruit is supported with a sling. Plan access for watering, inspection, and harvest before vines fill the bed. Rotate cucurbit crops to a different area in following seasons to help limit persistent pests and soil-borne disease. In a smaller space, direct vines along a low fence or around the bed perimeter instead of toward the garden centre. Avoid moving them once nodes have begun rooting. Healthy foliage also protects fruit from intense sun, so remove only dead or badly diseased leaves. As fall approaches, uncover fruit gently enough to check rind colour and stem condition without suddenly exposing the skin. After harvest, remove diseased debris and clean tools before preparing the bed for its next crop. The changing fruit colour also adds attractive late-season interest among the broad green leaves.

Recipe and storage

Recipe idea

From garden to table

Squash in the kitchen. Roasted 'Butternut' squash mash — Heat the oven to 210°C. Carefully halve one sound squash lengthwise on a stable board, scoop out the seeds, and brush the cut surfaces with 15 mL olive oil. Place cut side down on a lined tray and roast until the thick neck is very tender, usually 35–55 minutes depending on size. Cool slightly, then scoop the flesh into a bowl. Mash with 20 mL butter or olive oil, 30 mL warm milk or vegetable stock, 2 mL ground cumin, black pepper, and salt to taste. Fold in chopped sage or parsley. Serve beneath roasted vegetables, beside poultry, or as a topping for a lentil pie. If the raw squash is difficult to cut safely, steady it with a towel and use a sharp heavy knife; never force a slipping blade. Discard fruit with deep soft rot or mould. Refrigerate cooled mash promptly in a shallow covered container and reheat until steaming. Roasted squash is not shelf-stable and should not remain at room temperature.

Wildlife and pets

Wildlife & precautions

Supporting wildlife

Butternut vines carry separate male and female blossoms, so pollen must move between flowers before fruit can develop. Bees commonly make that transfer. Keep the flowering canopy accessible rather than enclosed under insect mesh. If cool, rainy weather interrupts visits, watch newly formed fruit before assuming a nutrient problem is responsible.

Frequently asked questions

When and how should Butternut squash be sown?

Direct sow after all frost risk once soil has warmed to at least 18°C. Plant two or three seeds per site about 2.5 cm deep, then keep the strongest seedling. To gain time, start one plant per individual pot three to four weeks before transplanting. Harden it gradually and set it out without disturbing the roots. Choose full sun, fertile compost-enriched soil, and excellent drainage. Space individual plants about 90 to 120 cm apart and keep 120 to 180 cm between rows. Remove protective covers when blossoms appear so pollinating insects can reach them. Water gently after sowing and maintain even moisture until seedlings emerge. Mulch only after the soil is thoroughly warm.

How can Butternut ripeness be recognized?

Use several signs rather than relying on only one. A mature Butternut squash has a uniformly beige rind without large green areas, and the skin resists pressure from a thumbnail. The stem also becomes dry, hard, and woody, while the plant often begins to decline naturally. Harvest before hard frost with a clean tool, leaving several centimetres of stem attached. Never carry the fruit by this fragile handle. Squash picked too young will be less sweet and will not store as well. Handle it gently after cutting because even a small hidden bruise can encourage decay during storage. Exact colour can vary slightly, but this combination of cues is more reliable than counting days alone.

Why should fruit be cured after harvest?

Curing helps the rind harden and allows small surface scratches to heal before storage. Place squash for 7 to 14 days in a warm dry well-ventilated area, arranged in one layer without touching. Turn each fruit gently so every surface can be inspected. Once the rind is fully firm, move only sound fruit into cool dry airy conditions, ideally around 10 to 13°C. Check stored squash regularly and use any fruit that begins to soften or develop a spot. Frozen, cracked, slimy, or mouldy squash is unsuitable for long storage. Keep fruit away from damp floors and avoid stacking it deeply.

Can Butternut squash be grown in a container?

Yes, provided you use an exceptionally large stable freely drained container and have room for the vines to run. A volume near 100 L and a depth of 50 to 60 cm offer a practical starting point for one plant. Use compost-rich potting mix, place the container in full sun, and water slowly until the entire root ball is moist. Check moisture daily in hot weather because containers dry faster than garden soil. Any trellis must be extremely strong, and each developing fruit needs its own sling. Keep blossoms accessible to pollinating insects and feed moderately so excessive foliage does not replace fruit production.

Why do some flowers fail to produce fruit?

Squash produces separate male and female flowers on the same plant. The first blossoms are often male; they provide pollen but lack the small swelling that can become a fruit. Female blossoms appear later and must receive enough pollen during their brief opening, usually in the morning. Cold, rainy, or extremely hot weather can reduce bee activity and cause young fruit to abort. Remove protective covers when flowering begins, avoid treatments that harm pollinators, and grow flowers nearby. If needed, gently transfer pollen from a freshly opened male blossom to the centre of an open female blossom in the morning.