Summary
come from Southern Africa , theasparagus fernis a bright green ornamental plant with a sprawling growth riding habit . Its foliage is eye - catching and can get up to 6 feet long under idealistic condition .
However , this plant gives ocular clue if something is n’t right or goodish . Knowing the main reason behind an asparagus fernturning yellowand the BASIC of asparagus fern care can avail isolate the problem and bring the plant back to a healthy state . Even well , the data pertains to the two main type of asparagus fern , the foxtail grass fern ( Asparagus densiflorus ) and the lace asparagus fern ( Asparagus setaceus ) , as they have very similar growing demand .
Temperature Stress
This plant doesn’t like exposure to cold drafts
Since this works comes from Southern Africa , it prefersconsistently soft temperatures . scupper your asparagus fern to cold drafts or temperatures can cause the leaves to turn yellow .
This happen because photograph to cooler temperature causes the industrial plant to stop over photosynthesizing — turning light into energy . Then , the paint responsible for its green color , chlorophyl , breaks down , giving direction to a xanthous hue .
Solutions:
Asparagus Fern Temperature essential
Ideal Temperatures
60 to 75 degrees Fahrenheit

Too cold-blooded
55 degrees Fahrenheit and below *
- foxtail ferns can survive alfresco until temperature miss to 20 to 25 stage Fahrenheit .

Improper Lighting
Too much or too little light exposure causes yellowing
One big part of asparagus fern upkeep is getting the lighting condition correct . give your fern too much visible radiation can make the leaves to go wilted . Or , it can causeleaf singe , where the leavesyellow around the border .
Additionally , too much light causes chlorophyll to break down because the chlorophyll molecules create a responsive oxygen mintage if they suck up more energy from the sunlight than they can handle , causingfoliage damage .
On the other hand , not pass on your fern enough light source can have the industrial plant toturn leggyas it debase to get to any visible light it can . Your fern wo n’t be able-bodied to do photosynthesis effectively because this process postulate unclouded exposure to produce starches and sugars , and it ’ll slow up down chlorophyll production .

Asparagus Fern Lighting Requirements
Natural Lighting
Four to six hours daily

Artificial Lighting
14 to 16 hours daily
Both type of fern need at least four hours of sunlight a day , sooner sunup sun .

Humidity Levels Are Low
Less-than-ideal humidity can stunt growth
Asparagus ferns postulate a specific humidity rangeand are picky about it fluctuating . low-pitched humidity floor can stunt the fern ' outgrowth by get excessive transpiration , meaning your Asparagus officinales fern loses water vapor through its foliage .
ironical air around your plant will stimulate the fern to seek to pull out more wet from the ground , eventually causing water system stress and keep down its growth charge per unit . The fern may also sample to draw water from the leaves , causing them to turn chicken and eventually dark-brown .
super low humidity can cause the plant tissue paper to dry out ( desiccation ) , finally contribute to cellular price . This creates a domino effect where the leaf ca n’t perform photosynthesis expeditiously , reducing the fern ’s chlorophyll output . In tour , the leaves turn yellowed and finally drop from the industrial plant .

Asparagus Fern Humidity essential
Ideal Humidity Levels
40 to 50 percent

Too Low
30 pct humidity and scummy
Keeping both fern in the ideal humidness cooking stove aid promote succulent , fleeceable foliage .
Too Much Water
Saturated soil can drown the roots
Because they have tuberous roots that store weewee , asparagus fern do n’t require astrict lacrimation schedule , and how often you have to water the flora will count on your surround .
However , overwatering themcan do the roots to sit in a wet environs , which invitesroot rot . As the stain saturates with water , the air pockets of course forming in the soil start to tumble , and the rootage will struggle to take in O . The leaves begin to yellow in reaction , turning brown and throw away from the plant as the root word die .
Asparagus Fern Water Requirements
When to Water Asparagus Ferns in Containers
Water when the top 2 column inch of territory are teetotal to the touch *
When to Water Asparagus Ferns in the Ground
Saturate the land to a depth of 6 to 8 inch
- Allow the top 3 inches of dirt to dry for container - farm foxtail fern — saturate the soil to the same depth for in - ground plants .
Over and Under-Fertilization
Feed your asparagus fern sparingly
Asparagus ferns are n’t heavy confluent that require a pot of fertiliser . alternatively , they like soil to have ahigh constitutional mattercontent . So , they do n’t take full - effectiveness fertilizer applications to grow , and applying them can head to over - impregnation and dark-brown leaf tip . You may also see saltiness build up in the grime from the fertilizer .
However , if you put them in a container and negligence fertilize them entirely , they ’ll eventually consume all thenutrients in the soil . Once the nutrient are gone , your fern may clamber to produce levelheaded , green foliage , and you ’ll see an unhealthy yellow hue with drooping leaves .
Asparagus Fern Fertilizer Requirements
Ideal Fertilizer
dilute liquid or body of water - soluble 5 - 10 - 10 or 8 - 24 - 24 convention
Fertilizer Dilution Ratio
thin the liquid or water - soluble fertilizer by half
Organic Fertilizers
Compost and insect casting
For constituent fertilizers , apply a topdressing that is 2 to 4 inches fatheaded for lace asparagus fern — foxtail ferns require a topdressing that is 1 to 2 inches thick .
Pest Infestation
Common pests can impede asparagus fern care
If left unchecked , apest infestationcan wreak havoc on your edible asparagus fern . These pests can attack the works ’s foliage and suck out nutrients and water , stimulate the leaves to turn yellow .
This typically cause patchy yellowish spots on the foliage that spread as the plague worsens . finally , they can kill the plant life because it wo n’t be able to photosynthesize efficaciously .
Pest Type
Spider Mites
Mealybugs
Scale
Infestation Symptoms
Spotty foliage or discolouration
Dropping or yellowing leaves
Deformed leaves with pallid colour and brown marks
How to Get Rid of Them
Wipe the foliage with a moist fabric and apply an insecticidal soap or horticultural oil
Mix 70 per centum rubbing inebriant with water supply and apply directly to the pest with a cotton mop
cut away naughtily infect foliation and apply an insecticidal Georgia home boy or horticultural crude oil
Both foxtail fern and lace asparagus ferns can develop problems with pestilence that bring mayhem on the works , so routine monitoring is necessary .
Set the Stage for a Vibrant, Thriving Asparagus Fern
If you ’re wonder why yourasparagus fernis turn white-livered , you could chance common grounds on this listing . regrettably , an asparagus fern turning yellow usually indicates something is wrong with your plant , and you want to move tight to spare it and mitigate the damage .
Take a look and see if any of these solution assist you . Additionally , if you screw someone struggling with asparagus fern fear , share this with them to give them helpful tip !