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Asparagus Seeds

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Mary Washington Asparagus is the classic American heirloom that has graced spring gardens for generations — plant it once and harvest tender, flavo...

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UC-157 Asparagus is a robust, disease-resistant variety developed at UC Davis for superior yields and exceptional flavor — plant it once and harves...

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Asparagus Seeds for Planting: A Perennial Bed That Pays Off for Years

Plant asparagus once and you can be harvesting fresh spears every spring for well over a decade. Our collection of asparagus seeds offers two open-pollinated varieties for gardeners who are happy to play the long game: one heirloom classic and one modern favorite. Starting from seed costs far less than buying crowns, and it gives you the chance to raise a whole bed of strong, vigorous plants for the price of a couple of packets. Asparagus isn't a container crop, so plan on a permanent, sunny spot with well-drained soil.

Asparagus Seed Varieties: Mary Washington and UC-157

Mary Washington is the classic American asparagus, an heirloom with long, deep green spears and a reputation for resisting rust and other common problems. It has been a standard in home gardens for generations. UC-157 is a productive, widely grown selection that suits gardeners in milder climates, where it keeps going through long growing seasons. Both are green asparagus, both are perennial, and both do best in full sun. Growing the two side by side is an easy way to see which one your soil and climate favor.

Growing Asparagus from Seed: A Slow Start Worth the Wait

Growing asparagus from seed asks for patience. Soak the seed overnight to soften the coat, then sow indoors about ten to fourteen weeks before your last frost, keeping the mix warm. Germination takes roughly two to three weeks and sometimes longer, and the seedlings spend their first season building roots and feathery fern rather than spears. Move them to their permanent bed once frost has passed. The listings in this collection show two to four years to maturity, so skip harvesting the first two years and begin cutting lightly in year three. Tracking a crop that stretches across several seasons is easier with the Seedtime garden planning software, which builds a planting calendar around your frost dates, and the garden journal lets you record the year each bed was planted so you know exactly when it's ready.

Buy Asparagus Seeds with One Shipping Charge

When you buy asparagus seeds here, you can add seeds from multiple suppliers to the same order and pay one flat shipping charge, or qualify for free standard shipping on Seedtime-fulfilled orders of $49 or more to the lower 48 states. Paid Seedtime members get 20% off seed packets marked "Fulfilled by Seedtime" and 5% off everything else in the store. You can start planning for free, and if you want unlimited calendars and layouts along with those store discounts, compare Seedtime's plans to find the right fit. Whether you're browsing asparagus seeds for sale for a small family bed or both varieties for a bigger planting, it all ships together.

Frequently Asked Questions

Why do some of my asparagus plants have red berries?

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Asparagus plants are either male or female, and open-pollinated seed gives you a mix of both. Female plants produce red berries in late summer, and those berries aren't meant to be eaten. They put some energy into berries and seed, so males tend to give you more spears, though females often produce thicker ones. If you want a tidier, more productive bed, you can pull the females once they reveal themselves, but both are fine to harvest.

How do I harvest asparagus spears?

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Once a bed is established, cut or snap spears when they are about six to eight inches tall and roughly as thick as a pencil, taking them at soil level with a sharp knife. Harvest for a few weeks in the early years and up to six to eight weeks in a mature bed. Stop when the new spears turn thin and spindly, and let them grow into ferns, since the ferns feed the crowns for next year's crop.

How do I keep weeds out of an asparagus bed?

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Weeds are the biggest threat to young asparagus, because the seedlings are small and slow in their first seasons. Start with a clean bed, pull weeds by hand rather than hoeing deeply near the crowns, and lay mulch to hold moisture and block new growth. A weed-free bed in the first two years pays off for the next fifteen.