Asparagus Sex Determination Male plants produce thicker, larger spears than females. The flowers on male plants are also larger and longer than those on females. Male blooms have 6 stamens and one small useless pistil, while female blooms have 6 small nonfunctional pistils and a well-developed, three-lobed stamen.
Should you cut down female asparagus plants?
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.
When should I remove my female asparagus plant?
Removing Female Plants
If you decide to replace your female asparagus plants with male plants, it’s best to do some planning the season before you make the change. Harvest spears as usual, stopping when spears become thinner than a pencil’s diameter, and then allow all the spears to grow and develop into ferns.
What are the best asparagus crowns?
The best asparagus varieties to grow are: Conovers Colossal, Erasmus, Grande Hybrid, Jersey Giant, Jersey Knight, Jersey Supreme, Mary Washington, Millenium, Purple Passion, & Spartacus. Some of these have purple spears, but most are green.
What happens if you don’t Trim asparagus?
THE BOTTOM LINE: You’ll throw away more asparagus if you snap off the ends, and the spears won’t look as long and elegant. For many reasons, we think trimming and peeling is worth the effort. SNAPPED: Snapping the natural breaking point means losing half the weight of almost every spear.
What can you not plant next to asparagus?
There are two main crops to avoid growing alongside asparagus:
- Alliums. Alliums like leeks, garlic, and onion sharing the soil with asparagus are said to stunt its growth.
- Potatoes. Asparagus, on the other hand, stunts the growth of potatoes when they share the same space.
Should I soak my asparagus crowns before planting?
Soak asparagus roots for several hours or overnight in water prior to planting. Begin by planting the crown about 2 inches deep and plan to add top soil over the crowns as the bed matures. Plant asparagus roots about a foot apart, being sure the crowns are not touching one another in the planting trench.
How many asparagus crowns should I plant?
Growing white asparagus is a matter of layering soil over the spears so they don’t produce chlorophyll; you can do this with any variety. Ten crowns will fit in a 4-by-8-foot bed and are generally enough to supply a family of four.
How long does asparagus take to grow from crowns?
If started from seed, asparagus will take about 3 years to become productive. One-year-old asparagus crowns will need two years of growth prior to harvesting and two-year-old crowns, just one year.
Should you let 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.
Do you cut back asparagus for winter?
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. The dead debris will catch and hold snow.
Which is better male or female asparagus?
Yield. Since males do not have to expend valuable energy on berry production, they are often more long-lived, and they are able to put more of their energy into spear production. Among commercial growers of this crop, they are considered more profitable than females because of their higher yields.
What month do you pick asparagus?
Asparagus harvest starts at the end of April and usually lasts for three to four weeks depending on air temperatures.
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.
When should I buy asparagus crowns?
Asparagus crowns can be purchased online, directly from garden centers or from nurseries and are generally available from mid-March into April for planting in spring. It is very common for growers to make pre-order purchases online in the early months of the year to ensure that stocks are still available in April.
How do you winterize an asparagus bed?
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 4-6 inches (10-15 cm.) of mulch such as straw, wood chips, or other organic materials over the crowns.
Which end of asparagus do you cut off?
How to Trim Asparagus
- Here’s a step by step breakdown of what to do:
- Pick up one stalk and hold it in the middle and at the end.
- Bend the stalk until it snaps.
- Line up the tip of that stalk with the tips of the remaining stalks.
- Slice off the ends of the remaining stalks so they’re flush with the snapped stalk.
Are coffee grounds good for asparagus?
* Coffee grounds alone would be too acidic, but if you’re mixing them in with other kitchen waste and especially yard waste like leaves, they’re fine. Asparagus prefers a soil pH between 6.5 and 7, which is mildly acidic. Coffee grounds can run 5 or less on the pH scale by themselves.
What kind of mulch is best for asparagus?
Straw, pine needles, pine shavings or bark mulch work well as mulch choices. Avoid using dyed mulches (black or red). Avoid using synthetic mulches like black plastic or landscape fabric.
Does asparagus like sun or shade?
Full sun
Growing Conditions
Site – Full sun is ideal. Asparagus needs at least 8 hours of sun per day. Since asparagus is a long-lived perennial, do not plant where trees or tall shrubs might eventually shade the plants or compete for nutrients and water.
What is the best fertilizer for asparagus?
The best fertilizer for asparagus will feature a balanced formula that contains equal amounts of nitrogen, phosphorus and potassium, such as a 10-10-10 or 15-15-15 blend. Beginning in the fourth year, apply fertilizer after the final harvest in late spring or early summer, instead of a spring application.
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