The patience is well worth it, though, as asparagus beds can be productive for 15, 20, sometimes up to 30 years. Because asparagus stays productive for so long, it’s important to plant the best variety available for your area.
How do you rejuvenate an old asparagus bed?
Use an organic fertilizer in the early spring, before spears begin to emerge, to give plants a boost. Apply nitrogen after harvesting is finished to encourage foliage growth. You can also fill in the gaps between old plants with some young, fresh roots. You will end up with a nice, solid bed in a few years.
How many years will asparagus come back?
15 to 30 years
Quick Guide to Growing Asparagus
Asparagus takes a few seasons to mature but will reap a harvest for 15 to 30 years, so choose a planting location that will go undisturbed for a long time.
What is the lifespan of an asparagus plant?
Most asparagus plants have a 10 year life expectancy. However, we have heard of cases where the plants live much longer. Asparagus plants are either male or female.
When should you stop picking asparagus?
Spears should be harvested at six to 10 inches tall. Harvesting ends in late June or early July or when growth has slowed considerably. Fertilization, weed management and irrigation are important to maintain after harvest.
Will asparagus spread on its own?
Yes, asparagus will spread as it grows. Asparagus roots can spread out up to 6 feet (1.8 meters) underground. Asparagus ferns (mature spears with foliage) can spread out 3 feet (90 centimeters) above ground. An older, more mature asparagus plant will send up more spears from its larger crown and energy reserves.
Why is my asparagus bed not producing?
Depending on how old your asparagus is, it’s probably due to one of these reasons: Inappropriate Age – Very young and very old asparagus plants do not yield optimally; this is why it’s recommended to leave young plants unharvested for the first three years and to divide or replace any crowns over ten years of age.
What happens if you don’t harvest asparagus?
You should harvest all of the spears that come up until the end of the harvest period, even the small diameter ones. If you don’t, asparagus beetles will lay their eggs in those ferns.
Do you cut back asparagus in the fall?
Answer: The asparagus foliage can be cut back to the ground after it has been destroyed by cold temperatures in fall. However, it is generally recommended that the dead foliage be allowed to stand over winter.
Does asparagus keep growing after you cut it?
Yes, it does. Asparagus regrow after cutting. This is because perennial plants make a return year after year. The fact that a plant lasts 20 years is evidence that it does regrow after cutting.
Does asparagus multiply?
DOES ASPARAGUS MULTIPLY ON ITS OWN AND HOW MUCH ASPARAGUS CAN ONE GET FROM ONE PLANT? Of course yes. Asparagus can multiply on its own as long as the seeds or roots are planted correctly and the plant is properly taken care of. The plants normally have strong roots which tend to shoot up sticks everywhere.
Should I put lime on my asparagus bed?
Lime for asparagus: Among the list of common garden vegetables, asparagus is probably the one that loves lime the most. Lime for asparagus is necessary to give the plant the ‘sweet’ alkaline soil it craves. Asparagus only needs a slightly alkaline soil, but it can tolerate soil pH up to 8.0.
Can I till my asparagus bed?
Since asparagus is a perennial crop, it’s not possible for home gardeners to till or plow the planting area to eliminate weeds.
What part of asparagus is poisonous?
berries
Like the rhubarb, the part of the asparagus plant that we love – the young stems – are perfectly safe to eat. But the asparagus hides a deceptive, nasty secret: Its fruit, which are bright red berries, are toxic to humans.
How do you pick asparagus so it keeps growing?
Use a clean, sharp knife or garden scissors to cut the spears at ground level. Continue harvesting spears for six to eight weeks, but no later than July 1. If you notice decreased production and vigor in your asparagus plants, stop harvesting and let the plant store energy for next season.
Should I let my asparagus flower?
Ferning out in asparagus is actually a good thing, as it indicates that photosynthesis is being promoted, therefore, nutrition production and absorption increases. During the ferning process, the majority of the energy produced is stored in the roots to facilitate new growth the next year.
Should I remove asparagus berries?
The female asparagus stalk will become fern-like and develop berries (but don’t eat them because they are toxic to humans). Over time these female plants should be removed.
Should you cut asparagus when it goes to seed?
Comments for Asparagus Plants Have Gone to Seed
Don’t cut them back until autumn if you miss the cutting season, just let them grow.
Why does it take 3 years to grow asparagus?
It takes three to four years for a young plant to develop the maturity needed to support annual harvests that last four to six weeks. Until then, one must harvest sparingly.
Should you put salt on asparagus plants?
Asparagus plants will thrive in soil with high salt content, unlike many garden vegetables. It does not need salt to grow, however. Putting salt on asparagus plants can damage the plants and reduce the yield.
What’s the best fertilizer for asparagus?
Asparagus can be fertilized in early spring before the spears emerge. An application of 1 to 1.5 pounds of an all-purpose garden fertilizer, such as 10-10-10, per 100 square feet should be adequate. Asparagus can also be fertilized after the last harvest in June. Using a nitrogen fertilizer, apply .
Justin Shelton is a professional cook. He’s been in the industry for over 10 years, and he loves nothing more than creating delicious dishes for others to enjoy. Justin has worked in some of the best kitchens in the country, and he’s always looking for new challenges and ways to improve his craft. When he’s not cooking, Justin enjoys spending time with his wife and son. He loves exploring new restaurants and trying out different cuisines.