Pest resistant indoor plants

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More Information ». When a houseplant looks less than healthy, most often, it is the result of improper care. Factors such as too much or too little water, light, heat, or fertilizer can cause many plant problems. However, in some cases, the problem results from a pest infestation. Several insects and other pests feed on houseplants.

  • 10 Insect Repelling Plants for South Florida Landscaping
  • 12 Mosquito Repellent Plants
  • 14 Plants That Repel Spiders Indoors & Outdoors With Little Effort
  • Hard-to-kill houseplants for beginners — 7 resilient plants that survive neglect
  • Low-maintenance houseplants that thrive on neglect
  • Glasshouse whitefly
  • 6 Amazing House Plants that Repel Spiders
WATCH RELATED VIDEO: The TOP Oxygen Purifying Houseplants 2021 - Best Indoor Plants for Bedroom and Home

10 Insect Repelling Plants for South Florida Landscaping

Make a donation. Glasshouse whitefly is a common sap-feeding insect, mainly of house-plants and greenhouse plants. They excrete a sticky substance honeydew on foliage, which allows the growth of sooty moulds. Whiteflies are sap sucking true bugs Hemiptera in the family Aleyrodidae. The adults are typically white and fly up from host plants.

There are around eight species found in Britain, some are restricted to a limited host range others are found indoors on a wide range of plants indoors. Glasshouse whitefly can feed on many vegetables and ornamental plants grown in greenhouses as well as house-plants.

These include: cucumber , melon , tomato , peppers , Chrysanthemum , Gerbera , Pelargonium , Fuchsia , Lantana , poinsettia and Verbena. Outdoor plants can also host this whitefly especially in warm summers, however, n ote that whiteflies seen on brassicas , Viburnum tinus , honeysuckle, evergreen azalea and rhododendron are other species of whitefly specific to those plants.

Glasshouse whitefly thrives in warm conditions, which is why it is not usually a problem on outdoor plants. This insect is active all year round on houseplants and in greenhouses. Check susceptible plants frequently from spring onwards so action can be taken before a damaging population has developed. When choosing control options you can minimise harm to non-target animals by starting with the methods in the non-pesticide control section. If this is not sufficient to reduce the damage to acceptable levels then you may choose to use pesticides.

Due to this insects rapid reproductive rate and the widespread occurrence of pesticide-resistant strains, biological control often gives better results than insecticides on greenhouse plants. An established method of control for glasshouse whitefly is to introduce tiny parasitoid wasps, Encarsia formosa , which prey on the whitefly scale nymphs.

The parasitoid is available by mail order from the Biological control suppliers. It is important to introduce the parasitoid before plants are heavily infested as it cannot give instant control. Parasitised whitefly nymphs turn black so it is easy to monitor the progress of the control.

As Encarsia is killed by most insecticides, avoid spraying with products other than fatty acids, plant invigorators, plant extracts or plant oils see below prior to its introduction. Other predators such as the mite Amblyseius andersonii egg predator are sometimes available in addition to Encarsia.

See Biological control suppliers Other non-pesticide controls. Follow label instructions when using pesticides. On edible plants make sure the food plant is listed on the label and follow instructions on maximum number of applications, spray interval and harvest interval. Plants in flower should not be sprayed due to the danger to bees and other pollinating insects.

Inclusion of a pesticide product does not indicate a recommendation or endorsement by RHS Gardening Advice. It is a list of products currently available to the home gardener. Glasshouse whitefly is a sap-sucking insect that breeds rapidly and produces many generations in warm greenhouse conditions.

The adults and their whitish scale-like nymphs live on the underside of the leaves where they feed on sap, weakening the plants. They lay greyish white cylindrical eggs either singly or in circles on the underside of the leaves.

Each female can lay more than eggs. Males are rare and reproduction takes place without the need for fertilization. The eggs hatch into small crawler scale-like nymphs which crawl around for a while before they begin feeding and become immobile. The nymphs are a flat, oval shape, whitish-green in colour, and just over 1mm in length when fully developed. The final nymphal stage is called a pupa and the adult whitefly eventually emerges through a slit in the dorsal surface.

The length of the life cycle varies according to the temperature. The insect can remain active during the winter in an unheated greenhouse, provided suitable host plants are present. Glasshouse whitefly does not usually survive winter out of doors. Available in high resolution at www. Protect your garden RHS statement on pesticides in horticulture. Join the RHS today and get 12 months for the price of 9.

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Join the RHS today and support our charity Join now. Save to My scrapbook. Glasshouse whitefly. Quick facts. Common name: Glasshouse whitefly Scientific name: Trialeurodes vaporariorum Plants affected: Many house-plants and greenhouse plants Main symptoms: Sticky honeydew on foliage, black sooty moulds, small white-winged insects Most active: All year round. Jump to What is glasshouse whitefly? Symptoms Control Biology. What is glasshouse whitefly? Symptoms It is relatively easy to see whiteflies on infested plants.

When a plant is disturbed clouds of small white-winged insects, 1. You may also see flat, oval, creamy white scale-like nymphs on the underside of leaves Adult whitefly and the nymphs excrete sticky honeydew on the foliage, stems and fruits, which allows the growth of black sooty moulds. Glasshouse whitefly Trialeurodes vaporariorum nymphs black scales affected by Encarsia formosa parasitoid.

Control Check susceptible plants frequently from spring onwards so action can be taken before a damaging population has developed. Non-pesticide control Biological control An established method of control for glasshouse whitefly is to introduce tiny parasitoid wasps, Encarsia formosa , which prey on the whitefly scale nymphs. See Biological control suppliers Other non-pesticide controls Hang sticky yellow sheets widely available from garden suppliers above or among the plants to trap adult whitefly, this can help monitor whitefly activity rather than give control Removing unwanted plants from the glasshouse can reduce the number of host plants for glasshouse whitefly Watch for signs of whitefly on new purchases as the insect is often first brought into a glasshouse on new plants.

If possible quarantine new plants in order to give eggs and nymphs a chance to develop and be recognised. Good ventilation will help to check the growth of sooty moulds Cleaning glasshouses in winter can help reduce overwintering populations Pesticide control The RHS believes that avoiding pests, diseases and weeds by good practice in cultivation methods, cultivar selection, garden hygiene and encouraging or introducing natural enemies, should be the first line of control.

If chemical controls are used, they should be used only in a minimal and highly targeted manner. Organic sprays, such as natural pyrethrum e. These pesticides have a very short persistence and so may require reapplication to keep whitefly numbers in check. Plant oil and fatty acid products are less likely to affect larger insects such as ladybird adults Plant invigorators combine nutrients to stimulate plant growth with surfactants or fatty acids that have a physical mode of action against aphids e.

These products contain some synthetic ingredients and so are not considered organic More persistent contact-action insecticides include the synthetic pyrethroids lambda-cyhalothrin e.

Westland Resolva Bug Killer , deltamethrin e. Py Bug Killer A systemic containing the active ingredient Flupyradifurone Provanto Smart Bug Killer is available for use on ornamentals and selected edibles In glasshouses it is possible to use glasshouse fumigants. Glasshouse should be sealed and instructions on the product label must be followed.

An organic fumigant based on garlic is available as Pelsis Pest-Stop Biofume Greenhouse Fumigator and can be used when crop plants are present. Downloads Pesticides for gardeners pdf document Biological control suppliers pdf document. Biology Glasshouse whitefly is a sap-sucking insect that breeds rapidly and produces many generations in warm greenhouse conditions. See also Gardeners' calendar. Find out what to do this month with our gardeners' calendar Advice from the RHS.

You may also like. Cabbage whitefly. Chemical labels explained. Chemicals: storing and disposing safely. Chemicals: using a sprayer. Chemicals: using safely and effectively. Glasshouse leafhopper. Glasshouse red spider mite.

12 Mosquito Repellent Plants

Contact your local county Extension office through our County Office List. Print this fact sheet. Houseplants are susceptible to attack by many insects and mite pests. Some of these houseplant pests can cause extensive damage to the appearance and health of the plant while others are simply a nuisance. Infestations of scale insects mealybugs and whiteflies are almost always established from infested plants recently purchased or received as gifts.

Whiteflies are common on houseplants and in greenhouses. When purchasing new plants, always check under the leaves making sure pests are not present.

14 Plants That Repel Spiders Indoors & Outdoors With Little Effort

We know spiders aren't only good for the environment but are necessary. Without them our entire ecosystem will go haywire. But there's two things none of us want indoors, in our houses or anywhere we go, and that's spiders and chemical treatments to keep them away. Fortunately there are a lot of natural spider repellents and some of those include plants that repel spiders indoors and outdoors. The outdoors matter too because if we keep them away from the house then they won't find their way indoors. Most of us already grow plants and flowers, so you'll be pleased to see how attractive many of these plants are, and extra happy to know that they smell great. It's usually these smells that we love that spiders find so repulsive. Let's look at the list now and then I have a few extra tips for you that should help reduce how many arachnids you find crawling about. Not only do these plants directly repel spiders, but many of them ward off other insects that spiders are attracted to.

Hard-to-kill houseplants for beginners — 7 resilient plants that survive neglect

Plant Care Today. No dealer, reputable or otherwise, likes bug-infested plants any better than you or I. Anyone who has planted will, sooner or later, get bugs and their eggs on them. Properly speaking, bugs are not bugs but are, instead, insects. The most recent pest to take up residence on my houseplants is oat thrips.

Everyone who has ever had a garden, be it indoor or outdoor, has known problems with pests. These little creatures are not only ugly, but they can ruin your hard work and hurt your beloved plants.

Low-maintenance houseplants that thrive on neglect

Compared to growing plants outside, indoor plants tend to experience fewer problems, making them popular with many homeowners because of their easy maintenance. They are prone to some problems though, and a common concern is whether indoor plants attract bugs? Yes, indoor plants attract bugs. They are are usually attracted by indoor growing conditions that have high humidity or a lack of air circulation. The most common pests are aphids, spider mites, fungus gnats, mealybugs, scale, thrips, and whitefly. Maintaining good growing conditions, watering properly, and regularly inspecting your plants will help keep infestations low and allow you to treat them quickly, minimizing damage to your plants.

Glasshouse whitefly

If your plant looks as though it is sprouting tiny cotton balls, or if your feet stick to the floor when you walk close to the plant, you probably have an insect infestation. The sap these insects take in is excreted by them as a clear, sticky liquid that, with a large insect population, can coat the leaves and stems of the plant, eventually to the dripping stage. All green plants are susceptible, although certain pests favor one type of plant over another. A healthy plant, growing in a favorable environment is more resistant than a plant that is under stress from poor cultural care. Keeping plants clean misting or showers, removal of dead foliage, etc. When you water, prune, or repot your plants, take some time to look them over for pests, so that you can treat them before the problem becomes critical.

1. Basil · 2. Lavender · 3. Lemongrass · 4. Mint · 5. Rosemary · 6. Sage · 7. Chrysanthemums · 8. Allium.

6 Amazing House Plants that Repel Spiders

Much of the scenic beauty of nature has been replaced by densely populated areas that sprawl for miles from urban centers. This visual pollution affects us all and leaves us with a longing for a closer connection with nature. We spend about 90 percent of our time indoors.

RELATED VIDEO: #91 Top 6 Common Indoor Plants That Can Grow In Water - Grow Houseplants Without Soil

Most insect-repelling plants do so with their natural fragrances, which keep annoying mosquitoes away and introduce wonderful scents throughout your garden. If you don't want to douse yourself or your garden in chemical bug sprays you can grow some of these plants to help keep mosquitoes away naturally. Plant these plants in areas where guests will be often such as by a seating area or a doorway. Need more tips to keep your garden pest free?

Keeping plants indoors prevents most pests from attacking them. However, sometimes pests hitch a ride indoors on new plants.

Do you remember growing a carrot top in a dish of water? Well, these indoor plants that grow in water are basically just the same, but an all-grown-up version. A lot of indoor plants can form roots and thrive once exposed to moisture. Growing indoor plants in water is a mess-free and no-fuss technique to multiply your indoor plant collection. Plus, there are fewer pests or sometimes no pests at all!

From poor light conditions to improper watering, houseplant growers face many challenges. But for most of them, no problem raises greater concern than an encounter with indoor plant pests. While some houseplants are more pest-prone than others, at one time or another most houseplant lovers will find themselves battling one of the four common houseplant pests listed below. To tackle the problem head-on and bring those indoor plant pests under control, follow the control measures detailed for each of these harmful insect pests.


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