Asparagus

Asparagus Propagation: Learning to Propagate Asparagus

Tender new asparagus shoots are one of the first crops of the season. The delicate stems emerge from thick, tangled crowns of roots, which produce better after a few seasons. It is possible to grow asparagus from the split, but the most common method is to grow from the root crowns. Learn how to propagate asparagus in your area for a wonderful perennial spring crop.

How to propagate asparagus

Asparagus root crowns must be one year old before producing stems. Plants grown from seed will need an additional year before reaching this stage. Established asparagus plots produce even more plants when the crowns are dug up, divided and replanted. The three methods of propagating asparagus are simple ways to bring asparagus into your garden.

You can start harvesting harpoons when the plants are in the ground for two years. In the third year the shoots will be larger and thicker, but over time they will become smaller and less robust. That’s when you know it’s time to divide the original crown.

Growing asparagus from seed

The oldest asparagus plants produce red berries, which contain seeds. These come from the shoots after they have been allowed to develop into ferns at the end of the season. The seeds are viable if they have not been subjected to frost.

Pick the berries, crush them and separate the seeds. Soak the seed to remove the rest of the pulp, then dry it for a few days. Store the seeds in a cool, dry place and plant them in the spring.

The best results are obtained from seeds that are started indoors and transplanted outdoors after all danger of frost has passed. Propagation of asparagus by seed is cheap, but it takes two years to see the first shoots.

Asparagus Crown Division

The multiplication of asparagus by division is one of the most common methods. When asparagus production slows down over several years, it is time to cut the root into pieces.

Dig the root at the end of autumn, after the last ferns have died. Cut it into several pieces, each with many healthy roots. Replant them then or wait until spring after the last frost. Keep the roots in a sieve or paper bag filled with sawdust if you choose sawdust.

The roots of the asparagus crown division will need an additional year to establish themselves and produce shoots.

Asparagus growing conditions

Whichever method is used for the propagation of asparagus, the asparagus must have a well-drained soil and a moderate pH. Modify the soil with generous amounts of fertilizer, leaf litter and other rich organic components.

Collect the spears until they become small and thin. Then let them freeze. This allows the plant to build up energy for next season’s spear production. Cut the ferns when they die.

Remember that asparagus roots spread out over time but their production decreases. Divide them about every three years for an uninterrupted harvest year after year.

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