Growing Spaghetti Squash Plants: A Step-by-Step Guide

  • By: Succulents Plants
  • Date: December 26, 2022
  • Time to read: 8 min.
Spaghetti squash plants
Photo by courtesy of Stephen Farhall

Spaghetti squash plants are known for producing delicious, nutrient-rich vegetables that taste great and are fun and rewarding to grow. In this article, you’ll learn all the basics for growing and caring for spaghetti squash plants. From preparing the soil to harvesting and storage tips, this step-by-step guide will have you growing your spaghetti squash in no time!

What is Spaghetti Squash?

Spaghetti squash is a winter squash variety with an attractive shape and a unique flavor. Its yellow skin encases an attractive white interior that resembles pasta noodles. When cooked, the squash comes out of its shell in strands resembling spaghetti, hence its name. It is a low-calorie, nutrient-dense vegetable packed with vitamins, minerals, and fiber.

Spaghetti squash is a type of winter squash, a group of vegetables that includes pumpkins, butternut squash, and acorn squash. The spaghetti squash plant is a large vining plant that requires a sunny, warm location to grow. It grows best in temperatures between 65-75 degrees Fahrenheit, producing fruits weighing up to 10 pounds.

The spaghetti squash plant produces a yellow-orange fruit with a mild flavor similar to a pumpkin. It is high in vitamins A and C, beta-carotene, magnesium, and several other vitamins and minerals. It’s also an excellent dietary fiber source, essential for healthy digestion.

Getting Started

Growing spaghetti squash plants is a fascinating and rewarding activity. The key to success is proper planning and execution. Before starting, gather all the necessary supplies, including seeds, soil, fertilizer, water, and adequate space for the plant.

Then, it’s time to select the appropriate variety. The early Prolific Straightneck, Waltham Butternut, and White Bush are the most popular spaghetti squash. Each variety has unique flavors and characteristics, so be sure to research which type is most suitable for your needs.

Where to Buy Spaghetti Squash Plants

Local Garden Centers and Nurseries:

If you live in an area with a local garden center or nursery, these are great places to consider when looking for spaghetti squash plants. They will often offer high-quality plants that are locally grown, but often at a more reasonable price than larger retailers.

Farmers’ Markets:

Farmers’ markets are a great way to find fresh produce, baked goods, and plants. The plants available here are often locally grown and much cheaper than you’d find at a big box store. It’s also a great way to support local farmers, so look for them in your area.

Online Retailers:

With the rise of online shopping, it’s now possible to buy plants from the comfort of your own home. Many online retailers offer a wide range of plants at competitive prices, including spaghetti squash plants. Make sure to research the company and read reviews before purchasing.

Wholesale Suppliers:

Wholesale suppliers are an excellent option for buying many spaghetti squash plants. These suppliers often sell plants in bulk at discounted prices, so they’re great if you do a lot of gardening or have a larger space to fill.

Preparing the Soil

Starting from scratch, you’ll need to till the soil, remove any rocks, and add compost or soil amendments. This will help create a rich and balanced soil ideal for a spaghetti squash plant. After tilling, you should level out the soil to create an even base.

You’ll need to use a pH soil test kit to check your soil’s pH level. Spaghetti squash prefers slightly acidic soil, ranging between 6.0 and 6.8. You’ll be able to add the appropriate soil amendments to adjust the pH if needed.

Good drainage is also essential, as the plants don’t tolerate overly wet soil. If your soil tends to retain water, you’ll need to consider adding sand or organic matter to improve drainage.

One last thing to keep an eye on is the temperature of the soil. Squash plants love warm soil, so wait until the ground has warmed to at least 65°F before planting.


It’s best to water the plants during the morning hours so the leaves can dry off before nightfall. If you must water in the evening, keep the water off the leaves to prevent them from developing diseases.

Spaghetti squash plants also benefit from mulching, which helps lock in moisture and regulates soil temperatures. Use compost, shredded leaves, or straw to mulch around the plants, making sure to leave a few inches of space between the mulch and stems.

During the hottest parts of the summer, your spaghetti squash plants may need to be watered more frequently. Your plants should be watered every few days or even daily if necessary. Make sure to monitor the soil at the root level and water accordingly. Dry soil means it’s time to water your plants.

The amount of water your spaghetti squash plants will depend on your local climate. Areas with cooler climates may need less water than areas with hotter climates. Before beginning your gardening journey, be sure to research the amount of water your plants need.


First, you’ll need to choose the right fertilizer for your plants. It’s best to opt for an all-purpose fertilizer with a balanced nitrogen, phosphorus, and potassium ratio. This will help ensure that your plants have access to all the necessary nutrients without being overwhelmed with too much of one element.

Once you’ve selected the right fertilizer for your plants, you’ll need to decide when and how often to apply it. The right timing depends on the variety of spaghetti squash you’re growing and the life cycle of your plants. Generally, a good rule of thumb is to fertilize your plants once every two weeks while they increase. During the fruiting period, you should fertilize your plants according to the manufacturer’s instructions.

Finally, you’ll need to determine how to apply your fertilizer. Spaghetti squash plants have shallow roots, so you must apply the fertilizer close to the base of the plant. Applying the fertilizer in a circle around the base of the plant will help ensure that the nutrients can be absorbed quickly and evenly.

Pruning and Training

First, you’ll need to identify the main stem of the spaghetti squash plant. This is the central stem that grows out of the ground and is the main component of the plant. Pruning and training the plant will involve removing some side branches and tendrils that grow off the main stem.

Once you’ve identified the main stem, you can begin pruning and training the spaghetti squash plant. Start by removing any dead or damaged branches and any that cross over each other or don’t seem to be growing in a healthy direction. Removing these branches is essential so the plant can focus its energy on producing healthy new growth.

Once you’ve removed any dead or damaged branches, you can begin to shape the plant. Prune the main stem so that it is left with several evenly spaced branches. This will encourage new growth and help create an even canopy of foliage. Prune the side branches so they are evenly spaced, and all grow in the same direction.

Once the spaghetti squash plant is pruned and trained, you should tie the main stem and branches to a stake or trellis. This will support the plant as it grows and prevents it from breaking under the weight of the fruit. If you’re growing more than one plant, ensure that the stakes are evenly spaced apart so that all the plants have enough room to grow.

Harvesting your Spaghetti Squash

Harvesting your spaghetti squash is one of the most rewarding parts of growing your plants. Knowing when to pick your squash is essential for a successful crop. Fortunately, it’s easy to tell when your spaghetti squash is ready for harvesting. The squash will turn from its usual green hue to a more yellowish-orange color when it is ripe, and the skin will be hard to the touch. Additionally, the rind should be slightly dry and papery.

Using a sharp knife for precision and avoiding damaging the plant is essential. Cut each squash from the vine and leave intact a few inches of stem. You can now store your spaghetti squash in a cool and dry environment; it should last for several weeks.

Once you’ve cut open your spaghetti squash, it’s time to enjoy the fruits of your labor. The squash’s inner flesh can be cooked in a variety of ways. The strands can be roasted in the oven, boiled, or microwaved. If you’re looking for more convenient yet healthy recipes, you can add the squash’s strands to salads, stir-fries, soups, and more.

Storage Tips

Once you’re done harvesting, what do you do with all that squash? As with many other vegetables, proper storage is key to keeping your spaghetti squash fresh and retaining its delicious flavor. Here are some tips to help you store your spaghetti squash and make the most of your harvest.

First, you don’t want to store your spaghetti squash in the refrigerator since this will cause the skin to turn soft and mushy. Instead, it would be best if you stored it at room temperature, preferably in a cool, dark place such as a pantry or cupboard. This will help keep your squash fresh for a more extended period.

If you don’t have a cool, dark place to store your squash, you can try wrapping it in a paper towel and putting it in the refrigerator. This should help keep the squash fresh for up to two weeks.

If you plan to use your spaghetti squash within a few days, a single layer of the plastic wrap should be fine. However, if you want to store it longer, you should wrap it in two or three layers of plastic to help retain the moisture.

Remember that cooked spaghetti squash tends to spoil quickly, so you should use cooked spaghetti squash within two days if stored properly. You can also freeze cooked spaghetti squash for up to three months.


Overall, growing spaghetti squash plants is a fun and rewarding experience. With the proper knowledge, the right environment, and a little bit of patience, you can have an abundant harvest of delicious spaghetti squash. The key to a successful harvest is to create the best possible environment for the spaghetti squash plants, which includes watering them regularly, fertilizing them when necessary, and pruning and training them when needed. Not only will you be able to enjoy the fruits of your labor, but you will also be able to share your new healthy snack with friends and family. With the step-by-step instructions outlined in this article, you can rest assured you’ll have a bumper crop of spaghetti squash. So good luck and happy harvesting!


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