The way to Plant and Develop Butterkin Squash

Cucurbita ‘Butterkin’

Cue the traditional Superman phrase, however make it about your subsequent favourite winter squash – it’s a pumpkin, it’s a butternut squash… It’s butterkin!

‘Butterkin’ is a winter squash hybrid that mixes the rounded, barely scalloped form of a pumpkin with the sleek, tan-colored exterior of a butternut squash.

The 2- to four-pound fruit boasts a brilliant orange, fleshy inside that has the acquainted candy and nutty taste of butternut squash.

A horizontal photo of a Butterkin squash on a wooden table. In the background are several other varieties of winter squashes.

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Below the best circumstances, ‘Butterkin’ will be saved for as much as six months and, like a butternut squash, can be utilized in soups or a roasted vegetable medley to maintain you heat all through the autumn and winter.

Able to develop this distinctive squash in your backyard? Right here’s what I’ll cowl:

What Is ‘Butterkin’ Squash?

‘Butterkin’ is a comparatively new winter squash cultivar, developed by Hybrid Seeds in New Zealand and launched to the US market in 2014.

The purpose was to mix the aesthetic form of a pumpkin with the traditional taste of a butternut squash. Because the title implies, it’s a cross between a pumpkin (C. pepo) and a butternut squash (C. moschata).

“Winter squash” is type of a misnomer, as these vegetation are usually not cold- or frost-tolerant within the slightest! They’re grown throughout the summer time and harvested within the early autumn, for consumption throughout the winter months.

A horizontal image of various winter squashes on a wooden table shot from above.

Not like summer time squash, that are harvested when their rinds are immature, winter sorts are harvested at full maturity, after the outside rind has hardened and the vines have began to show brown.

If you wish to study extra about winter squash, try our information.

‘Butterkin’ grows on four- to six-foot vines that every produce two to a few fruits. The fruits are normally six to eight inches in diameter, and weigh roughly two to 4 kilos.

Like different winter squash vegetation, the leaves have a tough texture, and 5 to seven lobes. The vines grow to be woody when the plant reaches maturity.

A horizontal photo of butternut squash seeds sitting on a cutting board with a knife placed next to them.

Much like a pumpkin, ‘Butterkin’ squash has a cavity within the middle that is stuffed with intently packed seeds. The seeds normally are 11 to 13 millimeters in dimension with a beige shade and rectangular form.

These annuals will be grown in USDA Hardiness Zones 3 to 10 and take roughly 105 days to achieve maturity.

The way to Sow ‘Butterkin’ Squash

You can begin new vegetation by sowing seed instantly into the backyard or indoors for transplanting later.

Alternatively, you may choose up began transplants at some backyard facilities or plant nurseries.

Notice that since it is a hybrid cultivar so seeds collected is not going to develop true to the father or mother plant.

From Seed 

If you wish to direct-sow in your backyard, you’ll want to attend till in spite of everything hazard of frost has handed and temperatures are beginning to heat up. The timing will rely in your USDA Hardiness Zone.

The plant wants a full solar location and well-draining soil, and you want to wait to sow till the soil temperature is above 65°F.

Should you need assistance determining what your soil temperature is, this soil tester from Garett Wade can assist.

A square product shot of a four-in-one soil tester in soil.

4-in-One Soil Tester

I personally love this as a result of it doesn’t simply let me know the temperature of the soil, it additionally measures the pH and moisture content material.

To sow your seeds, first make mounds within the soil which might be 12 inches in diameter and 6 to eight inches tall. House the mounds six to 12 inches aside.

Put one seed into every mound about an inch deep into the soil, then cowl and water in nicely.

Preserve the soil evenly moist however not waterlogged, and normally, seedlings will emerge in seven to 14 days. Water the mounds completely when the soil floor is dry.

In case you have a brief rising season, you may begin seeds indoors and transplant your begins out into the backyard when the soil warms up.

Begin by making ready a seed beginning tray with sufficient cells for the quantity of seeds you want to develop, and fill with a unfastened potting medium – a half and half mix of peat moss and perlite will just do effective.

Should you want a advice for a seed beginning tray, I’ve personally used this one from Gardzen, accessible through Amazon.

Gardzen Backyard Propagator Set

It is available in a five-pack of 15-cell seed beginning trays with humidity domes and I adore it.

The plastic high retains humidity excessive and ensures that the potting media gained’t dry out too shortly.

You additionally need to maintain the media at a temperature of about 70℉, which you’ll be able to obtain by inserting your tray in an acceptable location or by utilizing a warmth mat.

I exploit this seedling warmth mat from Vivosun, accessible through Amazon.

Vivosun Seedling Warmth Mat

It has an adjustable thermostat so you may guarantee they’ve the optimum temperature that they should germinate.

After placing soil into the tray, sow one seed per cell at a depth of 1 inch. Cowl with soil, and water the cell pack completely, till water begins draining out from the underside.

Lastly, cowl the seed tray with the plastic high to maintain the humidity excessive and the soil moist.

Place the seeds in a location with brilliant, direct mild in a location that’s persistently 65 to 70℉. Solely water when the floor of the media is dry to the contact or when water droplets have disappeared from the plastic high.

Below these circumstances, the seeds ought to germinate inside seven to 12 days.

After germination, take away the plastic high, and maintain the seedlings in a location with brilliant, oblique mild, and keep even moisture.

Once they have grown two to 4 inches tall, and all danger of frost has handed, the seedlings are prepared to begin the acclimation course of earlier than being planted within the backyard.

A horizontal photo of a line of winter squash fruits set against a black background.

I wish to acclimate my transplants over the course of three weeks as a result of it offers me plenty of flexibility with timing.

We’ve all by chance forgotten to maneuver our vegetation exterior at the very least as soon as – or possibly it’s simply me? With this three week window, I’m able to actually be sure that my new plant infants will do nicely within the backyard.

In the course of the first week, set the transplants exterior in an space that receives direct daylight for just some hours throughout the day and depart them for an hour on the primary day, including an hour every day.

The second week is a bit more intense as I improve the quantity of sunshine and the period of time that my transplants spend exterior. My south-facing again porch receives plenty of mild within the early afternoon, so I put them there for 4 to 5 hours per day.

Lastly, the third week is after I depart my vegetation out on that south-facing again porch for all the day and in a single day. On the final two days of that week, I plant them in my backyard.

A horizontal close up photo of a black plastic multi-slot flat filled with soil and ready for seed planting.

All through this acclimating course of, I water my seedlings when the soil floor is dry.

I can not stress this sufficient, however don’t let your transplants dry out or they’ll begin to wilt! That stress will lower their success while you plant them in your backyard.


After your seedlings have been hardened off, or you’ve gotten introduced house transplants out of your native backyard middle, put together the mounds as mentioned above.

Dig holes a bit deeper and wider than the scale of the containers the vegetation are at the moment rising in.

Take away your transplants from their seed cells or containers by gently greedy the bottom of the stem together with your thumb and index finger with one hand and pinching the perimeters of the plastic cell together with your different.

Then gently place the basis ball within the gap and backfill with soil. Water in nicely.

The way to Develop ‘Butterkin’ Squash

As talked about above, ‘Butterkin’ vegetation require full solar – about six to eight hours per day – and persistently heat temperatures.

The vegetation want soil that’s well-draining, with a barely acidic to impartial pH of 6.0 to 7.5 – they won’t tolerate heavy clay.

I like so as to add natural amendments like compost and manure to my backyard earlier than I plant, so I sometimes don’t must fertilize.

A horizontal photo from above of a crate with kitchen compost and a pail filled with soil and worms.

Nevertheless, these vegetation are heavy feeders and you’ll fertilize with a balanced 10-10-10 (NPK) product each three to 4 weeks as soon as they begin flowering – cease fertilizing a few month earlier than harvest.

‘Butterkin’ squash vegetation have shallow root techniques, so that they require common watering – within the absence of rain, ensure you water completely and deeply when the soil is dry to an inch down.

Whenever you irrigate, attempt to keep away from wetting the leaves, as this will promote fungal points akin to powdery mildew.

Apply a layer of natural mulch beneath the vegetation, simply keep away from letting it contact the primary stem the place it emerges from the bottom. Leaf mildew or straw will assist to retain moisture within the soil and inhibit weeds.

Rising Suggestions

  • Plant in a full solar location.
  • Water on the soil stage to keep away from splashing the foliage.
  • Fertilize frequently till a month earlier than harvest time.


Apart from maintaining with the watering and weeding chores, for essentially the most half you may simply let your ‘Butterkin’ do its factor in your backyard.

Should you stay in an especially sizzling location, the leaves could wilt within the afternoon solar. If this occurs, think about using some shade fabric to protect them from the cruel rays. Be very vigilant about watering throughout dry, sizzling climate.

You’ll be able to prune the vines if you want, which might encourage extra fruits. Our information to trimming pumpkin vines covers when and the way to do that.

The place to Purchase ‘Butterkin’ Squash

You’ll find ‘Butterkin’ seeds and transplants at many plant nurseries and backyard facilities.

A vertical product shot of Butterkin squash shot from above, with one squash split in half.


Should you love to do your procuring on-line, you could find packets of 20 seeds accessible at Burpee.

Managing Pests and Illness

In case your ‘Butterkin’ begins to look somewhat worse for put on, squash bugs and aphids are the most definitely culprits.

Squash bugs (Anasa tristis) are small, darkish grey or brown bugs that produce bronze coloured eggs on the undersides of leaves.

With their piercing mouths, they suck the sap out of the foliage and depart behind yellow spots that finally flip brown.

A horizontal close up photo of a squash bug on the end of a man's finger.

You’ll be able to deal with a squash bug infestation by utilizing sturdy sprays of the hose to bodily knock them off or choose them off by hand.

If you wish to bodily choose off grownup bugs, larvae, and eggs, refill a bucket with heat water and cleaning soap. Whenever you discover the bugs and their eggs, merely toss them into the water.

Personally, I might solely advocate utilizing a sprig if the infestation is extreme.

Chemical remedy that incorporates both acetamiprid and malathion is efficient, relying on whether or not you want to use pesticides in your backyard.

You’ll be able to study extra about the right way to take care of squash bugs in our information.


Powdery mildew generally is a huge drawback in dry, sizzling areas. Should you see a substance that appears like child powder on the leaves of your ‘Butterkin’ vegetation, you want to act shortly.


Effectively, you’ve sowed your seeds and waited patiently for harvest. What do you do when the time comes?

‘Butterkin’ squash fruits are normally totally mature by late September or early October, relying in your location.

Unripe fruits are mild inexperienced, and when they’re prepared for harvest, they’ll flip to a light-weight tan or orange shade.

A horizontal close up of a stem of a recently harvested Butterkin squash.

You’ll be able to inform if a ‘Butterkin’ is totally mature by gently knocking on the floor of the fruit. If it sounds considerably hole, then it is able to be harvested.

You too can look at the stem the place it attaches to the fruit. The stem needs to be brown and have a troublesome, woody texture. If it’s nonetheless inexperienced, then it’s too early to reap.

Whenever you’ve found out which fruits are able to be harvested, take a pair of gardening scissors and reduce the stem about one inch away from the fruit.


As I discussed earlier, ‘Butterkin’ will be saved for as much as six months. Nevertheless, earlier than you begin preserving it’s important to remedy the fruit. 

To do that, house out your squashes in a dry location with temperatures between 70 and 80℉ for seven to 10 days.

Storing ‘Butterkin’ is easy. I personally simply put them in a basket or cardboard field in a darkish, cool space that’s wherever between 50 to 60℉.

Monitor your squashes steadily for rot or decay, and discard these.

You too can freeze your harvest. Merely peel and reduce the flesh into cubes, unfold them out on a cookie sheet within the freezer till they’re frozen strong, then switch to containers or zip-top baggage till you’re prepared to make use of.

Recipes and Cooking Concepts

To me, squash is the proper winter consolation meals. You’ll be able to roast it within the oven for a fast and attractive veggie, or mix it right into a soup for a heat and filling meal.

‘Butterkin’ is simply as versatile as a pumpkin or butternut, and will be substituted for these in any recipe.

For cooking inspiration that you simply’re certain to take pleasure in, try these squash recipes on our sister web site, Foodal.

Fast Reference Rising Information

Plant Sort: Annual vining vegetable Upkeep: Low
Native to: Cultivated selection Tolerance: Warmth
Hardiness (USDA Zone): 3-10 Soil Sort: Organically-rich
Season: Summer time-fall Soil pH: 6.0-7.5
Publicity: Full solar Soil Drainage: Effectively-draining
Time to Maturity: 105 days Attracts: Bees and different pollinators
Spacing: 6-12 inches Companion Planting: Lavender, sage, sunflowers, zinnias
Planting Depth: 1 inch (seeds), identical depth as container (transplants) Keep away from Planting With: Beets, melons, potatoes
Top: 8-12 inches Household: Cucurbitaceae
Unfold: 48-60 inches Genus: Cucurbita
Water Wants: Average Species: Moschata x pepo
Frequent Pests and Ailments: Squash bugs, squash vine borers, striped cucumber beetles; bacterial wilt, powdery mildew Cultivar: ‘Butterkin’

Sensible, Lovely Butterkin

This beautiful hybrid is certain to be a favourite in your backyard and in your kitchen! Should you love winter squash and are searching for one thing somewhat bit completely different, why not do that one?

A horizontal shot of a Butterkin squash sitting atop a wooden plank background.

I do know that I like having ‘Butterkin’ on these chilly winter nights after I want some soup to heat me up.

Are you rising ‘Butterkin’ squash? Tell us within the feedback part under – and share your favourite recipe!

And for extra details about rising winter squash in your backyard, try these guides subsequent:

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