Asparagus Fern Plant Care

Table of Contents

Now do not get confused with the Asparagus growing in your garden. Asparagus Ferns is not edible, but it looks fabulous in a houseplant collection.

Another notable thing about the Asparagus Fern plant is that it is not a common indoor plant found everywhere. But if you can get your hands on one (and we know where to find them), the light feathery foliage is impressive, and the good news is you can grow it indoors with success.

So if you want one of these fast-growing tropical perennials and want to learn the ins and outs of the Fern Asparagus, keep your eyes focused on the screen.

Asparagus Fern Classification

Botanical Name: Asparagus Aethiopicus

Common Name: Asparagus Fern

Bloom Type: Summer

Flower: White

Native Area: Southern Africa

Plant Type: Annual

Mature Size: 2 feet high and 6 feet long

Sun Exposure: Indirect light indoors and part sun outdoors

Soil Requirement: Well-drained

Soil pH: 6.5 to 6.8

Toxicity: Pets

What is the Asparagus Fern?

One thing about fern Asparagus is that it is an exceptional outdoor plant. Yet, you find more people placing them indoors. The reason is that it has feathery leaves and grows at a tremendous speed. The green foliage cheers up any home and did you know if you’re a beginner gardener, you will have no problem taking care of this plant.

Now, where does it originate from, and why is it called plant Asparagus? The tropical plant comes from South Africa, and you can find them growing in the forests everywhere. But they do not belong to the fern family but the lily species. The Liliaceae also belongs to the daylilies, hostas, tulip, and amaryllis family.

The plant grows rapidly in humid climates outdoors and gifts you with white flowers.

Asparagus Fern Care

Asparagus Fern Plant

You will love the textural dimension Asparagus Fern provides to any living space. Yet, be cautious as it is a creeper, and inside, a notable tip is to keep it bushy.

The last note is of importance. It is a toxic plant to pets and kids when eaten. Okay, enough of the blabbering, let’s start taking care of your fern, Asparagus.

Asparagus Fern Lighting Requirement

plant lighting requirement

Remember, these are not true ferns that spend loads of time sunbathing. As it is part of the lily family, it prefers bright indirect light. Those small leaves are vulnerable and dry out fast.

So as an indoor houseplant, never place it in direct sun or too close in a south-facing window. Preferably put it at an east-facing window to enjoy the sun in the morning.

Guess what? You can place the Sprengeni on your desk as it thrives in artificial light.

Asparagus Ferns Soil Requirement

Go with something rich such as all-purpose soil and a good choice. To increase the nutrient levels and acidity, it also helps to add peat moss to the mix. Your plant will love it, and you can plant it in containers with enough drainage holes.

Grown outside, it also enjoys rich, well-drained soil. Doing this allows for breathability in the tubers keeping your fern plant as happy as it can be.

Asparagus Fern Care Water Requirement

plant water requirement

Okay, now do not go and drench the plant with water. It prefers light water regularly and can tolerate drier soil to an extent. So keep things even as it has delicate leaves that damage easily. Another thing this plant is very sensitive to is chlorinated tap water. Thus, if you do use tap water, leave it to stand overnight before watering your plant.

Now, this is where things become tricky-keeping your foliage hydrated. Boy, it takes effort as it thrives in humidity. Occasionally mist your Asparagus ferns but focus on the arching stems. A tip is to check if the plant becomes droopy or turns brown and a sign it needs more water. When outdoors, keep it well-watered to prevent the ground from drying out completely.

Fern Asparagus Temperature and Humidity Requirement

The best temperature for your Asparagus fern is one that is warm, around 70-degrees F but not below 55-degrees F. One thing the Densiflorus Sprengeri, another variety of Asparagus and both love, is high humidity. A tip to do this is to spray it weekly or place it on a pebble tray to keep the leaves in tip-top shape.

The nice thing is a pebble tray looks attractive and adds some decor touch to any home.

Asparagus Fern Fertilizer Requirement

Okay, your body needs nourishment, right. The same goes for the Asparagus Densiflorus or any other varieties of Asparagus plants. You can use a balanced fertilizer if it stands inside the home, but we recommend diluting it to half strength to prevent burning the leaves and roots.

During the summer, provide it with weekly feedings but halt when in winter as it only needs feeding once a month.

Asparagus Fern Potting

plant potting requirement

When gardening and Asparagus fern care, you can already see it is not that difficult. So potting, repotting, and growing this plant is easy to care for. For indoor plants, use well-drained potting soil, and outside, the same applies.

Now, one thing the Asparagus fern plant does not mind is feeling a bit pot-bound. So give a clap of the hands as you only need to transplant the fern plant every two years. A great tip when doing this is to divide the Asparagus ferns into big clumps. Also, make sure to take multiple of the roots when you divide them.

Take your plants and place them in the correct sized pots to help retain new growth. The reason is that as a houseplant they are slow spreaders. Now the exciting news is you can grow your Asparagus fern from seeds.

Yip, it comes from the berries. But, remember, it is poisonous. So how do you plant the Asparagus fern seeds? The crucial thing is to soak them overnight and plant them in 1/4 inch trays inside. The germination can take up to eight weeks before you can transplant them again.

Asparagus Fern Care Propagation

planting seed propagation

To grow Asparagus is easily done through planting the seeds you find in its berries. But there is another simpler way that is faster. You can dig up the plant and divide the roots.

The best time to do this is in spring. You can dig up the whole Asparagus fern plant in the garden or remove it from the pot. Divide them into sections making sure each one has a root to help with the growth of new shoots.

Then, place them individually into pots or in the garden area outside. One more helpful tip is to keep the plants shaded until they start to grow.

Asparagus Fern Growth Zone

If you live in the USDA hardiness zones 9 and above, this creeper will mostly thrive happily. Outside the recommended zones, you can grow your Asparagus Fern indoors.

Asparagus Fern Diseases & Pests

Yes, we can already see your face and start to stress that your fern will die. However, there is no need to fret as we have all the inside news on the Asparagus fern care to resolve diseases and pests.

Yellow Needles or Fronds

This is a clear sign that your Asparagus fern is dehydrated caused by too much sunlight or not regular watering. While it might not rejuvenate new growth, new ones can appear at the base if you improve the growing condition. We recommend providing your plant with only two hours of sunlight and only allow the top third of the soil to become dry.

Yellow Needles Dropping Off

Yes, you want to cry as you feel your Asparagus ferns dying. But there is some light ahead in some specimens. Suppose the stems are crisp, prune them an inch from the tuber surface ( it looks like a potato), and place them in a transparent bag with small holes. Keep the soil moist with indirect light. You will notice new arching stems developing, showing it is recovering, yeah. Keep it sealed for another month before releasing it back to fresh air.

Browning Needles

This is another sign of dehydration but can also be of dry air. Remove your plant if it is too close to a heater and provide it with a pebble tray to improve the humidity.

Root Rot

Happens when your Asparagus is in dark environments too long, and the soil remains wet. You notice the leaves yellowing, and it has stopped growing, leading to a brown rotten base. The best for your foliage is to remove it from the container to inspect the health of the roots.

If the roots are yellow, you can still save your plant by placing it in fresh soil. Yet, if it is mushy and brown, you need to take action now. First, remove the mushy roots while leaving the healthy ones alone. Then, clean the container with soapy water to remove harmful pathogens.

Rinse the roots with lukewarm water and plant in the sterilized container.

Some of the common pests you can look out for are:

  • Spider mites
  • Aphids
  • Mealybugs

To rid your Asparagus ferns of these insects, you can use insecticidal soap.

Asparagus Fern Varieties and Similar Plants

Foxtail Fern 

Also known as the Asparagus Densiflorus Meyeri has bushy plumes resembling a foxtail. It has arching plumes with a lot of needles with a light-green tint and is very delicate. Similar to the Asparagus fern plant, it also gives you tiny white flowers with red berries.

Sprengeri Fern

Sprenger Asparagus or just Sprengeri has long arching leaves covered with soft needles. The plant has emerald green foliage similar to other fern plants. It also blooms with clusters of white flowers and green berries that turn red.

Asparagus Aethiopicus 

You should not confuse yourself with this species and the one above. This is another variety of the Asparagus and is a perennial climber with a firm woody stem armed with long hard recurved spines.

The foliage is a flattened stem and ridged with sharp points of grey/green. It also produces star-like white flowers with red berries not to be eaten.

Frequently Asked Questions

Why is my Asparagus Fern turning yellow?

It is a sign that your plant needs more water or has been exposed to the sun for too long. We recommend moving the plant and providing it with indirect light, and water it with only the top third of the ground being dry.

How to grow Asparagus Fern from tubers?

Asparagus ferns you can easily grow from the tubers by doing the following:

  • Look for a well-grown fern, burrow a wide opening around the plant, and push the spade underneath to lift the tubers.
  • Before planting the tubers, water them to accelerate growth.
  • You can cut or divide them into small pieces to fit the pot size you have. Some tips are to let the plant run under water removing the soil particles with your hand. Do not harm the roots as they are delicate. Take a sterilized knife and cut the fern into two sections, from the leaves to tubers.
  • Take some peat mix soil and plant the tubers separately in a pot and water, allowing it to drain out. Keep the Asparagus fern plant in a moist condition to help the germination process.

What are some Asparagus Fern benefits?

The plants are used as a medicinal herb for bee stings, heart problems, and dizziness. Sometimes it is used as a laxative, and others believe it livens up things sexually (but we would not suggest eating the berries.)

Where to buy Asparagus Fern?

So are you interested in getting one for your garden or perhaps placed inside a pot in your home? You’re in luck as Plantly can help you to get one now. Check out the Plumosa, Asparagus Grass, Climbing Asparagus as all of these names refer to the same plant, and find one right here.

Whether you want to buy, sell or simply reach out to other plant enthusiasts, Plantly is the right place to be!

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