
When is the best time to plant asparagus?
It is traditional to plant asparagus crowns in the spring but some varieties do lend themselves to fall planting. This should be done during the early months of the season, while the soil is still warm from the heat of summer.
What do you need to know about growing asparagus?
Quick facts 1 Asparagus spears are the part of the plant that goes to harvest but the ferns, crowns and seeds are just as important. 2 Select the right variety of asparagus for Minnesota's climate. 3 Consider soil drainage, sunlight, soil texture, irrigation and soil pH when choosing a planting site. More items...
When to prune asparagus?
1 Growth of asparagus foliage is an important part of the plant’s life cycle. 2 Unless you plan to save the seeds, it’s best to remove them to conserve energy. 3 Wait until foliage turns yellow or brown and the plant becomes dormant before pruning. 4 Cut foliage back to ground level. 5 Mulch asparagus beds to protect them during the winter months.
When is the harvest over for asparagus?
The harvest is over when we stop cutting the spears and allow them to grow into ferns. It is important to let the ferns grow instead of harvesting spears all summer long. Every time we remove a spear, we remove a stem of the asparagus plant.

Can asparagus be planted in October?
And although asparagus can be grown from seed, October is the time to plant one-year-old dormant crowns (with crowns, you don't have to wait as long for the crops – just two years). These plants grow best in light, well-drained soil in an open, sunny spot or dappled shade.
How late can you plant asparagus?
Plant transplants outside from November – February 15. Prepare the asparagus bed by adding compost and composted manure to create rich soil. If planting from seed, start seeds in small containers with potting soil or directly in the beds. Sow seeds ½ inch deep.
Can you start asparagus in the fall?
Traditionally, gardeners have always planted bare-root asparagus crowns in the spring. But you can also plant them in the autumn when the soil is warmer - this will give your plants a head start on establishing. You can order most varieties of asparagus for planting in spring or autumn - whichever you prefer.
What do you do to asparagus in the fall?
Ideally, asparagus should be cut back in the fall but it is important that you wait until all of the foliage has died back and turned brown or yellow. This will normally happen after the first frost, but it can happen without frost in areas that do not receive frost.
What happens if you plant asparagus too late?
So if you plant them outside too early in the spring they will die. And if you plant them too late, your asparagus won't produce a harvest before the first frost arrives in the fall.
Does asparagus take 5 years to grow?
Asparagus plants are slow to mature, taking three to five years to really fill in, but it's worth the wait. Once they start producing well, you will be harvesting asparagus spears for more than a month every spring. Asparagus spears are the straight young shoots of the plant, with scale-like tips.
How do you winterize asparagus?
Once the fronds have been cut back, cease watering the asparagus entirely. The idea when winterizing asparagus beds is to protect the crowns from cold injury. Spread 4 to 6 inches (10-15 cm.) of mulch such as straw, wood chips, or other organic materials over the crowns.
Do you cut back asparagus for winter?
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. The dead debris will catch and hold snow. Snow cover helps protect the asparagus crowns from freeze damage.
How many asparagus should I plant?
But, if space is not an issue, 10-20 plants per person is a good start. Since asparagus is a perennial crop, site selection is going to be important. It's not uncommon for asparagus plantings to last for 15+ years. It does best in well-drained soils that are in full sun.
How cold can asparagus tolerate?
Asparagus Fern Care Tips Asparagus ferns prefer warm and humid climates (about 70°F) and cannot withstand temperatures below 55°F for long periods of time.
What do you fertilize asparagus with?
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.
How do you control weeds in asparagus bed?
Glyphosate is systemic and works best at controlling perennial weeds. It can be broadcast over the entire planting area in early spring before new asparagus grown emerges or after the last harvest. Snap all spears 1/2 inch below the soil line, so no spears are above ground, then overspray the planting area.
Can I transplant asparagus in the fall?
Transplanting Asparagus. If you must move asparagus, transplant the crowns in early spring when they are dormant or in late fall before the first fall frost (after foliage is cut back). Dig and lift crowns with a garden fork, being very careful not to disturb the roots.
Why can't you eat asparagus the first year?
Don't harvest any asparagus spears during the first two years that plants are in the permanent bed because they need to put energy into establishing deep roots. During the third season, pick the spears over a four-week period, and by the fourth year, extend your harvest to eight weeks.
Can you harvest 2 year old asparagus?
Crowns from 2-year-old asparagus plants can be harvested lightly the year after you plant them, but these larger roots are also more susceptible to transplant shock than 1-year crowns.
How long does it take for asparagus to grow?
3 yearsAlthough asparagus can be started from seed, the plants take 3 years to mature, so it is usually grown from 1-year-old crowns. However, the plant can be productive for 10 years or more, so it's worth the wait. You can start planting and growing asparagus as soon as the soil is workable in late winter or early spring.