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Description:Waltham is a much-beloved heirloom squash with sweet, dark yellow flesh. Excellent storage qualities. Fruits average 3 – 6 pounds (large for a butternut!) and each plant typically yields 4 – 5fruits. Heirloom.
Pack Size:3.54g (1/8 oz)
Latin Name:Cucurbita pepo
Alternative Names:Winter Squash
Main Uses:Vegetable
Days to Maturity:110days
Exposure:Full sun
Certified Organic:USDA Certified Organic
Germination: 5 – 10 days at 21C.
Indoors:Winter squash does best whenstarted indoors in short-season climates. When startingindoors, sowdirectly intoa minimum 7.5 cm (3″) pot and use containers that are biodegradable and can be planted into the soil outdoors. Bottom heat will encourage strong root development for wintersquash seedlings and is recommended. Sow indoors 3 – 4weeks before the average last frost date but not earlier – squash of all types become unruly and fragile if kept indoors for too long!
We recommend applying a kelp supplement such as Sea Magic starting at the time of sowing, then weekly through the growing season. A transplant fertilizer such as Evolve Seedling starter can be alternated with the kelp on a bi-weekly basis once the second set of true leaves have emerged.
Planting depth:2.25 cm (1″)
Spacing:Sow 3 seeds per 7.5 cm (3″) pot, then thin to the strongest seedling before transplanting to the garden.
Outdoors:Direct seeding outdoorsis not recommended for winter squash inshort-season climates.
Planting Out:Established seedlingscan be planted in the garden approximately two weeks after the average last frost date, once soil temperatures have reached18 – 20C.
Harden off by gradually setting seedlings outside for a couple of hours in a protected spot the first day and then increasing the time and exposure to elements each day thereafter for a period of about 6 – 10 days.
Growing in Containers:Not suited to containers.
Fertilizing (Garden):Wintersquashare heavy feeders and thrive in rich soil. Amend your soil withquality compostahead of planting. We recommend Sea Soil. Applying a kelp supplement on a weekly basis will reduce drought stress, and is a good addition to bi-weekly feeding with an organic veggie fertilizer such as Evolve Tomato 3-2-2.Wintersquash produce better fruits over a longer period if they are fed regularly.
Watering (Garden):Water young plants regularly to establish, then water deeply about once per week. Like many vegetables, the quality of squashfruit is impacted by the consistency of watering – avoid peaks and valleysin soil moisture.Mulching the soil around wintersquash will reduce watering requirements considerably. As a last tip: waterwintersquash at the base, to avoid getting moisture on the leaves (these are prone to fungal diseases, and can also sun-scald).
Harvesting:Harvest when fruits are full-sized and the hull is firm and cannot easily be dented.
Suitability for Indoors:Not suited for indoors.
