You can treat asparagus rust by pruning the infected parts of the plant and using a fungicide. A north or east-facing window will generally work well, although you may wish to move your plant back from any window that gets much direct sunlight, particularly in the warmer months of the year. These conditions can be achieved in a room that is well lit for part of the day. It can be easy to think that fertilizing your plant can only do good. All these pests are sap suckers that weaken the plant by piercing the foliage and stealing valuable water and resources from the growing plant. It is an asparagus, therefore unlike other ferns; the Asparagus Fern prefers bright light and occasional dryness. When this happens, it can be hard to know how to care for your Asparagus Fern to get it back to full health. Leach your soil by running water through it, this will wash the salt out. Asparagus Ferns retain a lot of their water in their thick roots, but if this store diminishes, they will suffer. Particles from the salt can also be carried up to the plant via the roots and the toxic substance will build up in the leaves. It is very easy to place your Asparagus Fern in a location that doesn’t provide enough light for its needs. An indication of underwatering is drooping, brown/yellow leaves which have turned spindly and may even drop off. This gives you time to observe your new plant for signs of any bugs and helps to protect your existing houseplants. To prevent pests on your Asparagus Fern, quarantine any new plant that you bring into your home for at least 7-10 days. Additionally, you might consider standing your plant in a gravel tray to increase humidity: When the water evaporates the humidity in the air around your plant will increase. Have a look at where your Asparagus Fern is placed. To combat a nutrient deficiency feed liquid fertilizer, or water-soluble fertilizer, to your Asparagus Fern. You can then prune off the affected foliage to restore the cosmetic appeal of your Asparagus Fern. Asparagus Ferns are native to rainforests. Asparagus Ferns grow on the rainforest floor – a shaded and damp location. Without enough sunlight your fern isn’t able to make sufficient food for itself. Direct sunlight doesn’t often find its way through the lofty tree-boughs to the floor below. The easiest way to create a more humid environment for your Asparagus Fern is to spray it with a light misting of water daily. Read my article on fixing an overwatered plant for more info. Yes, the asparagus fern produces white blooms that turn into the poisonous red-orange berries. Hold your hand close to the wall or floor near your plant and look at the shadow of your hand. For larger plantings this can be done with a string trimmer. As it grows, the tips of the fronds may find themselves sitting in bright sunlight, and they may bleach out, turn pale, or turn brown and crispy. An asparagus fern's ( Asparagus spp.) If you find that the soil is lacking in potassium, nitrogen, or phosphorus, or that it has a PH level which is not between 6.5 and 7.5, your plant likely has a nutrient deficiency. Tops turn Sulfur is helpful. I'm the owner of gardenforindoor.com. An overfertilized Asparagus Fern will develop brown tips, and you may see evidence of … Read my guide to fertilizing houseplants to learn more. An overwatered fern is generally easy to fix. Use a DIY kit to test the nutrient levels and PH of the soil. I typically dilute the fertilizer to half the strength recommended for outdoor plants. Insecticidal soap needs to come into direct contact with the pests. I find I get the most enjoyment from successfully improving the condition of one of my plants, rather than maintaining a plant in a state of perfection. Growing asparagus fern indoors. Browning of the leaves occurs because the main body of the plant has to use the available nutrients, and there are none left over to feed the rest of the fern. Look for wetness and slime, which is a sign the asparagus is past its prime. Too many hours of direct sunlight and hot conditions scorch the delicate needle-leaves. If the plant is receiving moisture from the humid air (which it loves), it will not require as much moisture from the soil. Hi, I’m Andrew, and Smart Garden Guide is my website all about indoor gardening and houseplants. You’ll soon find that your feathery fern is back in no time, brightening up your house with its pleasant greenery. This will avoid it evaporating before it has time to work! Periodic pruning of “old wood” keeps stems youthful and fresh. A lack of water will result in browning because there is not enough water to carry the necessary nutrients to all areas of the plant. They have tuberous roots that store water when it is available, allowing them to use this in times of drought. Move your plant to a location that provides sufficient light and it should start to recover. (Instructions below.) They can all cause yellowing of the foliage if there is a bad infestation. Foxtail fern isn’t too picky when it comes to soil. If you are watering your plant very frequently, or if it is planted in poorly draining soil or a pot that has few or no drainage holes, then problems related to overwatering are likely to happen before long. You will need to repot your plant immediately, removing all affected roots with sterile pruners. Other causes include fertilizer problems, pests, excessive light, underwatering, and acclimation. Make sure the plant pot has big enough holes in the bottom to allow for proper drainage when watering. Put your Asparagus Fern in its pot on top of the tray. Its varying shades of green painted with stripes of white or yellow or cream makes the plant highly... How to Save Zz Plant from Root Rot (Step by Step). Unfortunately, too much fertilizer can cause salt build-up in the soil and cause damage to your plant. Infected roots turn brown and mushy, limiting the plant's ability to move water and nutrients into the fern. The Ideal temperature for your fern is between 60 – 70°F (15.5 – 21°C). How to Care for an Asparagus Fern: 12 Steps (with Pictures) Spear tops turn yellow and brown and die back. These include Spider Mites, Scale Insects, and Mealybugs. An overwatered Asparagus Fern is not a pretty sight. But is there such a thing as too much heat? The resulting stress will normally cause patchy yellowing, that can become more generalized as the infestation gets worse. Too much salt in the soil can cause plants to dry out. Despite the confusing fact that this evergreen perennial has 2 common names, Myers or Foxtail Fern, it’s very easy and not at all confusing to care for. Overwatering is the leading cause of asparagus fern leaves turning yellow. Asparagus densiflorus) is normally found in a hanging basket, decorating the deck or patio in summer and helping to clean indoor air in winter.The asparagus fern plant is not really a fern at all, but a member of the Liliaceae family. Plant resistant varieties such as Mary Washington and Martha Washington. It may be a result of the aging process so that’s nothing to worry about. Despite their name, asparagus ferns are not a real type of fern but are perennial plants in the plant family Asparagaceae.Common types of asparagus ferns are foxtail ferns, plumosa ferns, and Sprengeri ferns. First, determine if sunburn is the cause of the browning. Are any of the following statements applicable to your plant? My asparagus fern is going yellow. 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