How Are Male & Female Asparagus Plants Different?

  • jack Officer
  • May 29, 2023

In my ebook, asparagus (Asparagus officinalis) is king of the edible perennial backyard.

Producing tender spears early in spring, this veggie makes for scrumptious seasonal meals – and a sensational begin to the 12 months’s rising season.

In contrast to some backyard greens reminiscent of peas, that are self-pollinating, asparagus is dioecious, that means some crops are male and a few are feminine.

To breed, a honeybee or another pollinator has to go to the flowers of each female and male crops.

A close up vertical picture of asparagus spears growing in the ground with deep green stems on a soft focus background. To the center and bottom of the frame is green and white text.

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For the reason that variations in gender are significant with regards to your yearly harvest tally, recognizing the gender of those crops generally is a useful gardening talent.

Are you prepared so as to add this information to your gardening toolkit? Good – I hear your resounding “Sure!”

However earlier than we get began, right here’s a fast overview of what I’ll cowl:

Gender Similarities in Asparagus

I notice you’re desirous to discover ways to take a look at an asparagus plant and inform its gender.

A close up of a small purple asparagus spear poking through the dark, rich soil, on a soft focus background.

However earlier than we go there, let’s begin by inspecting the methods during which the 2 genders are indistinguishable:

  • Each produce edible shoots or spears that develop from underground roots generally known as “crowns.”
  • Spears from each genders develop into wispy, frond-like stems known as “ferns” that may attain as much as 7 toes tall.
  • From these fronds, each genders produce small greenish white or yellow flowers.

Gender Variations in Asparagus

So, the gender of asparagus crops is fairly arduous to differentiate up up to now – at the least from a human standpoint.

A close up of the green, fern-like foliage of mature asparagus plants growing in rows in the garden fading to soft focus in the background.

However we’re beginning on the flowering stage, which implies copy. That is the place issues are likely to get extra graphic, and gender turns into extra simply discernible to the human eye.


Regardless that each sexes produce flowers, the blooms of every gender aren’t precisely the identical.

Rows of asparagus plants growing in a commercial setting with the fern-like leaves, and support sticks to keep them upright.

You possibly can distinguish between genders by wanting on the crops’ tiny greenish white or yellow flowers, which measure solely round 1 / 4 of an inch in size – so be sure to have your magnifying glass prepared.

A close up of tiny flowers developing on an asparagus plant, surrounded by fern-like, bright green foliage fading to soft focus in the background.

In case you look contained in the flower petals and see seen yellow or orange stamens, you could have a male plant.

A close up of the small yellow flower of the female asparagus plant set on a soft focus green background.
A. officinalis male flowers

And in case your peek beneath the petals reveals a inexperienced ovary and white pistil, you’re looking at a feminine plant.

A close up of the flowers of a female asparagus plant growing from the stem on a dark soft focus background.
A. officinalis feminine flowers exhibiting inexperienced ovaries and white pistil. Picture by Steven J. Baskauf, Bioimages by way of CC4.0.

One other discernible distinction between blooms is that male flowers are extra bell-shaped than feminine flowers, that are extra spherical.


If feminine flowers are pollinated, they are going to flip into berries – one other essential distinction between the genders. Male flowers – besides on very uncommon events – don’t flip into berries.

A close up of red berries forming on a female asparagus plant, surrounded by fern-like foliage starting to turn yellow on a bright green soft focus background.

When you have simply planted your crowns, your feminine crops might not develop berries till after the primary 12 months.

A close up of an asparagus plant with bright green foliage and small green, unripe berries with a blue sky in the background.
Feminine asparagus with inexperienced berries

Berries begin out inexperienced after which steadily ripen to pink in late summer season or fall.

A close up of a female asparagus plant that has been pollinated and produced red berries, with yellow foliage in bright sunshine.
Feminine asparagus in autumn

You’re in all probability questioning in regards to the uncommon events I discussed earlier. Whereas uncommon, there are the occasional male hermaphrodites which self-pollinate and produce berries.

Within the majority of circumstances, although, males don’t produce berries.

Ferns laden with berries can have a tendency to interrupt or bend to the bottom, and phone with the moist soil beneath can introduce fungal progress.

Earlier than berries mature, some gardeners will dig up and take away feminine crops, crowns and all, and take away them from their beds.

Along with performing as a measure that may forestall the unfold of fungal ailments that will hurt the well being of your crops, there are different explanation why this can be a good suggestion.

I’ll cowl these within the following sections.


Subsequent on our record of variations, now we have the difficulty of volunteers – often known as weeds, relying in your perspective.

When your plant has berries, the potential of infants sprouting from the seeds they include exists, whether or not you need them or not. Every berry sometimes comprises one to 6 seeds.

Many gardeners see these unplanned seedlings that pop up within the asparagus mattress (or different elements of the backyard – thanks, birds!) as a nuisance, since volunteers can take vitamins away out of your established crop and crowd the mattress.

A close up top down picture of asparagus spears growing amongst bright green, fern-like foliage in bright sunshine, fading to soft focus in the background.

Whereas volunteers can typically be seen as a great factor, a simple solution to get free seedlings that you just don’t have to fret about beginning your self, asparagus normally lives for 15 to twenty years.

With a longtime crop, you have already got a long run funding that you could be not must renew fairly often.

Males don’t usually produce berries, so they don’t usually produce volunteers.


Since males wouldn’t have to expend precious vitality on berry manufacturing, they’re usually extra long-lived, and they can put extra of their vitality into spear manufacturing.

A vertical picture of asparagus spears growing out of rich soil in bright sunshine, fading to soft focus in the background.

Amongst business growers of this crop, they’re thought of extra worthwhile than females due to their greater yields.

All-male hybrids, that are hybrids chosen to eradicate most feminine crops, are much more productive.

A close up of freshly harvested asparagus spears in various shades of purple and green, in a wicker basket, set in the garden amongst those that are still growing in the ground.

And all-male asparagus crowns are sometimes costlier as effectively.

Will increase in productiveness with these hybrids are excessive, permitting for 3 times the typical yield of heirloom cultivars.

A close up of bright green asparagus spears fading to soft focus in the background.

You possibly can learn extra about these all-male hybrids in our asparagus rising information.

Spear Dimension

Not solely do all-male hybrids produce extra spears, they produce bigger ones.

A close up of asparagus spears starting to push through the ground surrounded by green fern-like foliage in bright sunshine fading to soft focus in the background.

And these larger-sized spears are sometimes extra fascinating.

In response to Jack Rabin, Professor Emeritus at Rutgers College, “The bigger diameter spears have superior culinary qualities of tenderness and sweetness.”

A vertical picture of asparagus spears growing in the garden surrounded by dark rich soil, with a wooden fence in soft focus in the background.

Male crops usually produce spears earlier within the season than females as effectively.

Spearhead an All-Male Mattress

Some gardeners swear by store-bought all-male asparagus crowns for planting, whereas others love beginning crops from seed, and saving their very own seeds to develop but extra crops.

Now that you just’ve had a crash course in (plant) gender inequality, you realize that male asparagus crops are those you need for extra plentiful harvests, occasional or nonexistent berries, and no volunteers.

If you wish to save your individual seed, having each female and male asparagus crops is a necessity.

A close up of a wicker basket containing a fresh harvest of asparagus spears set on a lawn with a knife beside them.

After studying to distinguish male from feminine asparagus crops, will you let the women keep in your backyard? Or will you flip it right into a boys membership? Tell us within the feedback.

Able to be taught extra about rising asparagus? Take a look at some extra of our detailed guides reminiscent of:

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