Seeds
Free Seed Guide · Citrus County, FL
Cucurbita pepo
A pale yellow winter squash that, once cooked, pulls apart into long strands like noodles — genuinely one of the more fun things to grow and serve. It grows on a sprawling vine much like pumpkin, but the fruit is smaller and easier to fit into a normal-sized garden. Here's everything I know about growing it, from the seeds I'm sharing.
Planting Guide
- When: Direct sow after all danger of frost, once the soil has warmed. Spaghetti squash needs about 90–100 days from seed to harvest, so plant it early enough in the season that fruit has time to fully mature before cooler weather sets in.
- Depth & spacing: Sow seeds about 1 inch deep, in hills of 2–3 seeds spaced 3–4 feet apart, or thin to one plant every 2–3 feet in rows spaced 6 feet apart.
- Germination: Usually 5–10 days in warm soil.
- Support: Can be trellised since the fruit is smaller and lighter than pumpkin — a sturdy trellis or cattle panel saves ground space, though it'll also sprawl happily along the ground if you'd rather let it run.
If You Received a Plant
If you picked up a started seedling instead of seeds, get it into the ground within a day or two — squash roots don't like being disturbed, so handle the root ball gently. Water it in well, and give it a little relief from harsh sun for the first couple of days while it settles in.
Sun & Location
Full sun — 6 to 8 hours minimum. If trellising, set the trellis up at planting time so young vines have something to grab onto as soon as they start reaching. If letting it sprawl, give it 4–6 feet of open ground to spread into.
Watering
Water deeply and consistently, especially while vines are flowering and setting fruit. Water at the base rather than overhead — wet leaves in Florida humidity invite powdery mildew, which this squash is just as prone to as pumpkin.
Growing & Care
- If trellising, gently guide young vines onto the support for the first week or so — after that they'll climb on their own.
- If a trellised fruit gets heavy, a sling made from an old t-shirt or piece of netting tied to the trellis keeps it from tearing off the vine early.
- Feed with a balanced fertilizer at planting, then ease off nitrogen once flowering starts so energy goes into fruit rather than more foliage.
- Watch for squash bugs and vine borers at the base of the stem — the same pests that go after pumpkin will go after this one too.
Harvesting
Ready when the skin turns a solid, deep pale yellow (a white or greenish tint means it needs more time) and feels hard enough that a fingernail won't easily dent it. Cut it from the vine leaving a couple inches of stem attached — a squash with a broken stem won't keep as well.
Like pumpkin, it benefits from curing somewhere warm and dry for a week or two after harvest before you put it into longer storage.
What Can I Do With It?
Halve it, scoop the seeds, and roast cut-side down until a fork pulls the flesh apart into strands. From there it's a low-carb stand-in for pasta — top it with marinara and cheese, toss it with garlic and olive oil, or use it in a casserole. It also holds up well baked whole in the oven or cooked in an Instant Pot if you'd rather skip halving it raw.
Cooked and shredded, it freezes well for a few months — handy for pulling out a quick side later in the year.
Saving Seeds
Scoop seeds from a fully mature squash, rinse off the pulp, and spread them out somewhere dry with good airflow, out of direct sun, for a week or more until completely dry and hard. Spaghetti squash cross-pollinates easily with other Cucurbita pepo varieties (zucchini, acorn squash, many pumpkins), so seed saved where those were also growing nearby may not grow true to type. Store dried seed in a paper envelope or jar somewhere cool and dry.
Potential Problems
- Squash vine borers tunnel into the stem near the base and can kill a vine quickly — look for a small hole with sawdust-like frass around it.
- Squash bugs gather on the undersides of leaves and near the base of the plant; check regularly and remove egg clusters before they hatch.
- Powdery mildew appears as a white coating on leaves in humid weather — space plants for airflow and keep water off the foliage.
- Poor fruit set usually comes down to pollination — not enough bee activity, or male and female flowers not opening at the same time. Hand-pollinating with a small brush can help.
How I Grow It
I am growing in an oversized planter connected to a pvc arch/arbor. I also have netting over the arbor so the plant has many places to attach to.
Garden & Weather
Planting times and pest pressure both shift with the weather — worth a quick check before you plant or before a big harvest push.