How To Care For Asparagus Sprengeri Fern

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Sprengeri [SPRENG-er-ee] Fern is a herbaceous perennial and is native to South Africa. 

It is not really a true fern but is a flowering plant and member of the lily family, Liliaceae. 

Sprengeri Fern AsparagusPin

The botanical name of this plant is Asparagus densiflorus ‘Sprengeri’.

It is a popular houseplant and its feathery branches make it a beautiful addition to bouquets, wreaths, and garlands.

This cousin of the foxtail fern goes by the following common names:

  • Asparagus Aethiopicus
  • Asparagus Sprengeri
  • Sprengeri Asparagus Fern
  • Asparagus Fern
  • Ground Asparagus Fern
  • Basket Asparagus
  • Sprenger Asparagus
  • Sprenger’s Asparagus Fern

Sprengeri Fern Plant Care

Size & Growth

This plant has arching stems or fronds, which are completely covered with tiny, needle-like leaves known as cladophylls. 

The cladophylls have scale-like leaves growing linearly and flat on the plant’s stems to create thorns.

The true leaves are usually bright green or yellowish-green as is the foliage color.

The Asparagus Fern grows about 1’ to 2’ feet tall and 3’ to 4’ feet wide.

Flowering and Fragrance

The mature plants produce pale pink flowers or white flowers during the summer season. 

These flowers are sometimes followed by green berries, which gradually transform into bright red berries during the winter. 

Avoid consuming these berries as they are poisonous.

Light & Temperature

This plant requires at least six hours of full sun, four to five hours of part sun, and about four hours of partial shade. 

It is best to place your indoor plants in a greenhouse or a shady porch during the summer for rapid growth.

The USDA hardiness zone of this plant is 7 to 10. 

It tolerates a minimum temperature of 50° degrees Fahrenheit (10° C).

Watering and Feeding

The Asparagus Fern must be thoroughly watered. 

However, be sure to let the soil dry out between waterings. 

During the winter, limit the water without letting the soil completely dry out.

Feed this plant every month from spring to autumn using a balanced fertilizer.

Soil & Transplanting

This plant prefers a well-draining potting mixture and is impartial on soil pH.

Be sure to use a loose soil mixture in containers or pots when planting indoors. 

For your garden, use a well-draining, rich soil which is slightly acidic.

Grooming and Maintenance

The Sprengeri Fern is not a fussy plant and grows optimally with minimal maintenance. 

During the spring season, prune back the old stems to allow new growth and to give the plant a neat appearance.

Go about repotting the plant in spring by transferring it to a container which is only one size larger than the previous one. 

Make sure to leave around 1” to 2” inches of space between the potting mix and the pot’s rim since the tuberous roots of this plant tend to force the soil up as they grow.

How to Propagate Asparagus Densiflorus

The propagation of this plant is done using seeds and plant division.

  • Use a shallow container to place the seeds in and fill it with starting soil, which is particularly used to enhance the indoor germination process. 
  • Cover the container with a plastic wrap to create a moist environment. 
  • Provide the seeds with plenty of light and warmth. 
  • When the seedlings sprout leaves, transplant each seedling in individual pots.

Divide the plants during the spring season. 

Carefully take it out of its pot or container and use a sharp knife to divide the plant. 

Be sure to keep the root system attached to the plant and place them in a pot under indirect sunlight.

Asparagus Sprengeri Plant Pest or Diseases

This fern doesn’t experience any severe pest or disease issues. 

However, be on a lookout for thrips, scale, aphids, and mites. 

Utilize mild insecticidal soap to get rid of the pests.

Avoid overwatering the plant as it stores water in its roots and soggy soil will result in root rot. 

If you notice leaf drop, it may be due to too much sunlight. 

Place the plant under indirect light to prevent this issue.

Is This Plant Toxic Or Poisonous?

The berries of this plant are poisonous and might result in gastrointestinal problems, like abdominal pain, vomiting, and diarrhea.

The thorns and berries of this plant may also cause skin irritation or rash. 

Be sure to handle this plant with care and keep it away from children and pets.

Is Springeri Plant Invasive?

When planted outdoors in humid, warm climates, this fern spreads rapidly. 

This plant is considered invasive in Hawaii, Texas, and Florida.

Sprengeri Fern Plant Uses

The Asparagus Fern looks stunning as a container plant, in hanging baskets and window boxes. 

Its branches hang from the baskets and pots to create a delicate trail, adding just the right touch of nature indoors. 

It also makes a good ground cover for landscaping purposes.

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