Asparagus Fern

Asparagus Setaceus
Asparagus Fern
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BOTANICAL SUPER POWERS

Medium to Bright Indirect

The orientation of your window defines where to put your plant so it gets medium to bright indirect sunlight. If your window faces
North, place your plant between 0 and 1 ft away from it.
East or West, put it 1 to 5 ft away.
South, place it between 1 to 10 ft away, as sunlight from the South is the strongest.

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In its natural habitat, the Asparagus Fern makes tiny green-white flowers that then become tiny, black berries when mature. If its indoor conditions match those of its natural home, you might spot them. Don’t eat them, though—they’re poisonous!

Plant story

Asparagus setaceus gets its name from the Latin saeta ‘hair’ or ‘bristle.’ If you look closely, the leaves of the Asparagus Fern are made of lots of tiny leaf-like stems that give it its fern-like look, even though it is not part of the fern family. While this one isn’t commonly grown, its soft and fuzzy look can make a bathroom or reading nook quite cozy.

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Place of origin

Southern Africa, extending south west as far as Calitzdorp in the Karoo

Asparagus

This plant comes in different varieties.

Care for your Asparagus Fern like a pro!

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Care Card Asparagus Fern

Asparagus Setaceus
Asparagus Fern
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1

Light

MEDIUM TO BRIGHT INDIRECT

Check the direction of your window, then put your plant within the range suggested below.

Within any given range, aim to place the plant as close to the window as possible.

North:
0-1 ft
EAST/WEST:
0-5 ft
SOUTH:
1-10 ft
2

Water

MODERATE DRINKER

Check the moisture of the soil 1/week and water only when 2” of the topsoil is dry.

2' OF THE TOPSOIL IS DRY
DISLIKES

Sitting in water

3

Air

Hot summer/cool and dry winter

Aim to provide the air conditions your plant would find in its natural habitat.

TEMPERATURE
16-24°C.60-75°F
HUMIDITY
NORMAL
4

Soil

HEAVY EATER

Use liquid fertilizer as indicated below from March to September.

FREQUENCY
monthly
NPK FORMULA
20-20-20
DISLIKES

Fertilizing in winter and fall months

Care for your Asparagus Fern like a pro!

Light

Asparagus Fern needs MEDIUM TO BRIGHT INDIRECT.

To place your plant in the perfect spot, let’s start with understanding how much light it needs and how much light your place gets. To figure this out, you need to find the direction of your window and measure how far the plant is from it. First, using the compass or map on your phone, see what direction your window faces: North, East, West, or South. Here’s what you need to remember:

  1. South-facing windows make for the brightest spots, then East- and West-facing, and then North-facing.
  2. If the window is in between two directions, use the least sunny direction as a base.
  3. Each window has an optimal proximity range. Here’s where to put your Asparagus Fern, based on the direction of your window:
    • within 1ft away from North window;
    • within 5ft away from East or West window;
    • between 1-10ft away from South window;

Within this range, the closer your plant is to the window, the more light photons it gets, and the better it thrives.

Note: This is a general guideline. Each place is unique, and you know yours best. Is the window view obstructed by the trees and a highrise? Is there a sheer curtain? If so, less light is coming in. Move your plant closer!

Still not sure if your Asparagus Fern will be thriving in the spot you picked?

Another simple way to define brightness levels is by measuring the intensity of the shadow. That’s particularly helpful if the view is somewhat obstructed and it’s hard to estimate how much light actually sneaks in. Place a sheet of paper on the spot where you’d like to grow a plant. Hold your hand about 1 foot (30cm) above the paper. Now, what do you see?

Asparagus Fern needs Medium to Bright Indirect.

Water

Asparagus Fern is a MODERATE DRINKER.

Check your plant regularly, but only water it when it’s thirsty.

Every plant needs a period of drying for the oxygen to get to its roots. Overwatering damages your plant by preventing that process from happening. So how can you know how much water your
Asparagus Fern
needs? The ideal watering frequency depends on the plant’s drinking habits and how fast the soil dries out in your unique indoor space, so it would be misleading to recommend a fixed schedule. To best meet your plant’s water needs, monitor it, and watch for the signs it’s thirsty.

Here’s how the how to:

Once a week before giving your plant a drink, check the moisture level in the pot by dipping your finger a couple of inches into the soil.


Moderate Drinkers
need to be watered when 2′ of the topsoil is dry.

The dislikes of Your Asparagus Fern When It Comes To Water

  • Your Asparagus Fern doesn’t like it when its roots are left sitting in water. They would start to rot and that would irreversibly damage your plant.

What to do: Make sure you always discard the drenched water from the pot or saucer after watering.

Air

Asparagus Fern comes from a Hot summer/cool and dry winter climate. Aim to provide the air conditions it would find in its natural habitat. At all times, maintain a comfortable room temperature of 60-75°F,16-24°C..


Asparagus Fern
is a resilient and adaptable plant. It feels good in normal humidity (30-40%) but also tolerates low humidity (less than 30%), so it’s likely to enjoy your indoor space as it is.

Soil

To provide your Asparagus Fern with the right nutrients, fertilize it from March to September.
It’s a HEAVY eater plant. As a rule of thumb, it should be fertilized once a month.

Liquid fertilizer with NPK formula 20-20-20 (Nitrogen, Phosphorous, Potassium) works best for it.

Otherwise, you can use all-purpose indoor plant fertilizer.

Never fertilize your plant during the winter or fall months. It goes through winter dormancy and its appetite naturally slows down.

Curious to learn more?
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