Powdery Mildew / Mold Control

38 products

  • Sale -8% Natural Industries® Actinovate® Lawn & Garden Fungicide for Organic Gardening - 2oz Bag

    Natural Industries® Actinovate® Lawn & Garden Fungicide for Organic Gardening - 2oz Bag

    Out of stock, 1-3 weeks

     Natural Industries® Actinovate® Lawn & Garden Fungicide for Organic Gardening - 2oz Bag / Treats up to 5,000sq ft of Lawn or 550 Plants A water soluble organic fungicide knocks back diseases that attack your lawn, ornamentals and even edibles. Works from root to leaf with a concentrated beneficial microorganism (Streptomyces lydicus) that establishes itself on plants' roots and leaves. OMRI Listed for organic gardening and safe for pets, people and beneficial insects. 

    Out of stock, 1-3 weeks

    $39.99 $36.99

  • SaferGro Mildew Cure - 1 QT

    SaferGro SaferGro Mildew Cure - 1 QT

    Out of stock, 1-3 weeks

    A natural, organic fungicide that provides good control of powdery mildew on various crops and ornamentals. Derived from garlic extracts and other essential oils, these active ingredients are food grade materials.

    Out of stock, 1-3 weeks

    $24.99

  • Green Eagle Defender PM - 32OZ

    Green Eagle Technologies Green Eagle Defender PM - 32OZ

    Out of stock, 1-3 weeks

    Green Eagle Defender PM - 32OZ

    Out of stock, 1-3 weeks

    $72.00

  • Build A Soil - Wettable Sulfur 1LB

    Build-A-Soil Build A Soil - Wettable Sulfur 1LB

    Out of stock, 1-3 weeks

    BuildASoil brings you sulfur that you can introduce into your soil as a soil amendment. Wettable sulfur, and sulfur in general, is a tool to lower the pH levels in soil. Too much, the soil shows too much salt, and the plants suffer, so measurement and experience will be helpful.

    Out of stock, 1-3 weeks

    $26.00

  • MilStop® SP Fungicide - 1LB (BROKEN DOWN FROM 5LB BAG)

    BioWorks MilStop® SP Fungicide - 1LB (BROKEN DOWN FROM 5LB BAG)

    Out of stock, 1-3 weeks

    THIS IS 1LB, BROKEN DOWN FROM 5LB BAG. DOES NOT HAVE ORIGINAL PACKAGING. MilStop® SP is a broad-spectrum foliar fungicide. Highly effective on powdery mildews, it also helps prevent other foliar diseases. Use sites include greenhouse, nursery and field crops. It can also be used on interiorscapes and woody herbs. Active Ingredient: Potassium bicarbonate Controls: Powdery Mildew and other foliar diseases.

    Out of stock, 1-3 weeks

    $18.99

  • MilStop® SP Fungicide - 5lb

    BioWorks MilStop® SP Fungicide - 5lb

    Out of stock, 1-3 weeks

     MilStop® SP Fungicide- 5lbMilStop® SP is a broad-spectrum foliar fungicide. Highly effective on powdery mildews, it also helps prevent other foliar diseases. Use sites include greenhouse, nursery and field crops. It can also be used on interiorscapes and woody herbs. Active Ingredient: Potassium bicarbonate Rate: 1 to 5 lbs per 100 gallons REI: 1 hours Controls: Powdery Mildew and other foliar diseases.

    Out of stock, 1-3 weeks

    $84.99

  • Safer Garden Fungicide II RTU Quart

    Safer Safer Garden Fungicide II RTU Quart

    9 in stock In stock

    Can be used on fruits, flowers, vegetables, flowering plants and ornamentals. Controls and prevents black spot, rust, leaf spot and powdery mildew on roses. Contains sulfur. Registered in all states. EPA registration numbers: 59913-11

    9 in stock In stock

    $12.55

  • Marrone Regalia - 1 QT

    Marrone Marrone Regalia - 1 QT

    Out of stock, 1-3 weeks

    All-natural biological plant extract to boost the plant defense mechanisms against certain fungal and bacterial diseases to improve overall plant health. Outstanding results controlling powdery mildew. Use as a dip for transplants and drench the root zone for root strength. Apply 2-6 tablespoons per gallon every 7-10 days.

    Out of stock, 1-3 weeks

    $83.99

  • Safer Garden Fungicide RTU 32oz

    Safer Safer Garden Fungicide RTU 32oz

    Out of stock, 1-3 weeks

    Use Safer Garden Fungicide spray on flowers, fruit and vegetables. Controls powder mildew, black spot, & rust.

    Out of stock, 1-3 weeks

    $11.49

  • Last stock! NPK PM Wash - 1 GAL

    NPK Industries NPK PM Wash - 1 GAL

    1 in stock In stock

    PM Wash works well for washing plants during the growing and flowering cycle. PM Wash also works especially well for washing your plants during harvest. Pour PM Wash directly into spray bottle. Saturate top and bottom of the plant leaves.

    1 in stock In stock

    $40.75

  • Safer Garden Fungicide RTU - 24OZ

    Safer Safer Garden Fungicide RTU - 24OZ

    3 in stock In stock

     Garden Fungicide is for use on roses, flowers, foliage plants, ornamentals, beans, peas, and strawberries. Controls and kills powdery mildew, black spot, and rust. Can be used up until the day before harvest. OMRI Listed® and compliant for use in organic gardening. 

    3 in stock In stock

    $12.39

  • Sale -21% Lost Coast Plant Therapy Concentrate - 32OZ

    Lost Coast Lost Coast Plant Therapy Concentrate - 32OZ

    Out of stock, 1-3 weeks

    LOST COAST PLANT THERAPY KILLS SOFT BODY INSECTS, THEIR LARVAE AND EGGS, POWDERY MILDEW, MOLD AND FUNGUS ON CONTACT WITHOUT USING POISON! After saturation of entire plant, our spray will adhere to the target insect, egg case or larvae. It's active ingredients then cause disruption of respiration and digestion. It also penetrates to dehydrate their entire body. Insects can never become immune to this product because they can't get immune to suffocation or dehydration. Lost Coast Plant Therapy was designed to suffocate and dehydrate on contact. That is why it is important to thoroughly saturate your infested plants. If the product does not contact the insect it can't suffocate or dehydrate it. Many insects and diseases are killed on contact with one application. Others, take repeat application to eliminate the problem.  Our unique formula does not stress the plant and will not damage flowers, fruits or vegetables as long as it is applied under proper lighting  and low heat conditions. Lost Coat Plant Therapy has been laboratory tested by CW Analytical (among others) and found to leave no residue; this means it is safe for your soil, food and ornamental plants, pets and people. With proper application our product can be used on the day of harvest. Dries off quickly. Tests clean. Clean ingredients means clean test results. Passes strict lab parts per billion testing.  Safe to apply daily and will not interfere with plant development. Safe to apply on day of harvest and as often as required throughout growth.  Safe for food and medicinal plants. Biodegradable. PBA Free or HDPE grade bottles. Lost Coast Plant Therapy is not registered with the E.P.A. since it qualifies for exemption under FIFRA section 25 (B) as a minimum risk pesticide

    Out of stock, 1-3 weeks

    $95.42 $75.00

  • Corteva Eagle 20EW - 1Pt

    Corteva Eagle 20EW - 1Pt

    Out of stock, 1-3 weeks

     Systemic protectant fungicide for use on ornamentals in greenhouses, nurseries, and landscapes as well as turf and golf applications. Controls key diseases like powdery mildew, rust, scab, and anthracnose. Active ingredient: Myclobutanil Rate: 1 to 3 oz per 1,000 sq ft REI: 24 hours Controls: Thrips, lepidopterous larvae, foliage feeding worms and many more. See label for complete list. Signal Word: Caution

    Out of stock, 1-3 weeks

    $64.99

  • Bonide Sulfur Dust - 4lb

    Bonide Bonide Sulfur Dust - 4lb

    Out of stock, 1-3 weeks

     Sulfur Plant Fungicide Dust is a sulfur-based fungicide for organic gardening. It controls rust, leaf spot, powdery mildew, and other listed diseases on vegetables, fruits, ornamentals, and other listed plants. Also controls listed mites, thrips, and scale. It is safe for animals and helps control fleas and ticks on dogs, horses, cattle, swine, sheep, and goats. Can also be used to control depluming mites on chickens, turkeys, ducks, geese, pigeons, and other game birds. Apply to plants as either a micronized liquid spray or dust up to the day of harvest. 

    Out of stock, 1-3 weeks

    $17.99

  • Procidic2 Concentrate - 1 GAL

    Procidic2 Procidic2 Concentrate - 1 GAL

    Out of stock, 1-3 weeks

    Procidic2 is the first product on the market for use on medical cannabis, cannabis and hemp. Use it all season long to prevent and control powdery mildew, bud rot and root rot. Originally designed with the commercial grower in mind, this same formula is now available for residential use. Procidic2 concentrate is a systemic, broad spectrum bactericide and fungicide created to protect medical cannabis and hemp throughout the growing cycle. It works on contact and is also rapidly absorbed into the plant to fight against listed diseases and boost plant health.  Features • Greenspire Global, Inc. represents that this product is a minimum risk pest control product and qualifies for exemption from EPA registration under the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA 25b). • Approved under Washington State Department of Agriculture Organic Food Program for use in organic production. • Use on medical cannabis, cannabis and hemp • Use on powdery mildew, root rot, and bud rot • Use on cannabis grown in greenhouses, indoors, and outside in fields • Dual mode of action: bactericide and fungicide • Preventative and curative • Works on contact and is also absorbed into the plant • No re-entry period required • Apply in regularly scheduled spray program • No maximum number of sprays per season • Apply by ground, plant root dip, or drip (trickle) chemigation • Use up to day of harvest Benefits • Convenient to use: easy-to-use liquid concentrate • Use on medical cannabis, cannabis and hemp • Use on powdery mildew, bud rot and root rot • Apply as a standalone with water or tank mix with other nutrients

    Out of stock, 1-3 weeks

    $352.99

  • Procidic2 Concentrate - 1 QT

    Procidic2 Procidic2 Concentrate - 1 QT

    Out of stock, 1-3 weeks

    Procidic2 is the first product on the market for use on medical cannabis, cannabis and hemp. Use it all season long to prevent and control powdery mildew, bud rot and root rot. Originally designed with the commercial grower in mind, this same formula is now available for residential use. Procidic2 concentrate is a systemic, broad spectrum bactericide and fungicide created to protect medical cannabis and hemp throughout the growing cycle. It works on contact and is also rapidly absorbed into the plant to fight against listed diseases and boost plant health.  Features • Greenspire Global, Inc. represents that this product is a minimum risk pest control product and qualifies for exemption from EPA registration under the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA 25b). • Approved under Washington State Department of Agriculture Organic Food Program for use in organic production. • Use on medical cannabis, cannabis and hemp • Use on powdery mildew, root rot, and bud rot • Use on cannabis grown in greenhouses, indoors, and outside in fields • Dual mode of action: bactericide and fungicide • Preventative and curative • Works on contact and is also absorbed into the plant • No re-entry period required • Apply in regularly scheduled spray program • No maximum number of sprays per season • Apply by ground, plant root dip, or drip (trickle) chemigation • Use up to day of harvest Benefits • Convenient to use: easy-to-use liquid concentrate • Use on medical cannabis, cannabis and hemp • Use on powdery mildew, bud rot and root rot • Apply as a standalone with water or tank mix with other nutrients

    Out of stock, 1-3 weeks

    $94.99

  • Bonide Captain Jack Copper Fungicide 32oz RTU

    Bonide Bonide Captain Jack Copper Fungicide 32oz RTU

    Out of stock, 1-3 weeks

    Bonide Captain Jack Copper Fungicide 32oz RTU

    Out of stock, 1-3 weeks

    $11.99

  • Sale -10%Last stock! Battles Sulphur Candles - 225g

    Battles Battles Sulphur Candles - 225g

    2 in stock In stock

     Convenient method of eliminating troublesome pests and spores from the greenhouse. Simply light the wick and the gas produced will fumigate all exposed parts. A 225g Sulphur Candle will fumigate 14 cubic metres. 

    2 in stock In stock

    $22.00 $19.80

  • Marrone Regalia - 1 Gallon

    Marrone Marrone Regalia - 1 Gallon

    Out of stock, 1-3 weeks

    All-natural biological plant extract to boost the plant defense mechanisms against certain fungal and bacterial diseases to improve overall plant health. Outstanding results controlling powdery mildew. Use as a dip for transplants and drench the root zone for root strength. Apply 2-6 tablespoons per gallon every 7-10 days.

    Out of stock, 1-3 weeks

    $196.71

  • Monterey Complete Disease Control 1Pt

    Monterey Monterey Complete Disease Control 1Pt

    5 in stock In stock

    OMRI Listed for organic gardeningFor control of plant diseases in home gardens: vegetables, ornamental and fruit trees, shrubs, lawns, flowers, bedding plants, and potted ornamental plantsFoliar Spray or Soil Drench

    5 in stock In stock

    $24.49

  • Last stock! SNS 244 Fungicide RTU - 1QT

    SNS SNS 244 Fungicide RTU - 1QT

    1 in stock In stock

    SNS 244TM Ready to Use Natural Fungicide is made up of 100% pure thyme botanical extracts. The botanicals are all food grade GRAS (Generally Recognized As Safe) materials. SNS 244 RTU Natural Fungicide is exempt from EPA registration under minimum risk pesticides exempted under FIFRA section 25(b).Airborne 'pathogenic' or disease causing fungi get inside the plant either by contacting its skin (epidermis), or by growing in through the plant's breathing holes (stomata). Then they either poison and kill the plant cells before absorbing food from them or simply steal nutrients from the living cells. Some fungi live in the soil and enter into the roots. They can either block the water-conducting cells or kill them, causing the plant to wilt. In many cases the plant is seriously damaged or may even die. As a topical spray SNS-244 Natural Fungicide kills the fungus through a biochemical interaction on the spores. Some of the components of SNS-244 Natural Fungicide are also absorbed systemically by the plant, suppressing the life cycle of the fungal spores and nurturing the plant cells to increase the plant's ability to fight the disease.

    1 in stock In stock

    $24.99

  • CEASE® Fungicide & Bactericide - 1gal - Suspension - Bacillus subtilis strain QST 713 - OMRI Listed®

    Bioworks Inc. CEASE® Fungicide & Bactericide - 1gal - Suspension - Bacillus subtilis strain QST 713 - OMRI Listed®

    Out of stock, 1-3 weeks

    CEASE® Fungicide & Bactericide is a microbial-based solution formulated for use in organic and conventional production systems to manage a broad spectrum of fungal and bacterial diseases affecting foliage and soil. Utilizing the Bacillus subtilis strain QST 713, this formulation produces natural antifungal and antibacterial compounds that disrupt pathogen development while forming a protective barrier on plant surfaces to reduce infection pressure. CEASE® Fungicide & Bactericide can be applied as both a foliar spray and soil drench, supporting disease suppression for pathogens such as Rhizoctonia, Pythium, Fusarium, and Phytophthora while also improving plant vigor through enhanced nutrient uptake and physiological activity. Compatible with a wide range of fertilizers, pesticides, and adjuvants, this product integrates into rotation and tank mix programs to support resistance management and ongoing crop protection, while leaving minimal residue and allowing flexible application timing up to harvest. Product SpecificationsActive Ingredient: Bacillus subtilis strain QST 713Rate: 2-8 qt per 100galREI: 4 HrsPHI: 0 daySolubility in Water: DispersableFormulation: SuspensionAppearance: Light BrownOdor: Earthy, SweetpH: 5.2 - 5.4Certifications: OMRI Listed®Signal Word: Caution Use Sites: Greenhouses, Nurseries, Landscapes, Interiorscapes, Shadehouses, Fields (except fruits and vegetables) Applications: Ornamentals, trees, shrubs, potted and cut flowers, annuals, perennials, foliage, seedlings, conifers, fruits & vegetables grown indoors. See product label for complete list. Controls: Erwinia, Pseudomonas, Xanthomonas spp., Alternaria, Angular Leaf Spot, Anthracnose (Colletotrichum), Bacterial & Fungal Leaf Spots, Botrytis, Gray Mold, Cercospora, Downy Mildew, Early Blight, Late Blight, Gummy Stem Blight, Powdery Mildew, Rust, Scab, Sclerotinia, Septoria, Soil borne fungi: Fusarium, Phytophthora, Pythium, Rhizoctonia

    Out of stock, 1-3 weeks

    $145.00

  • GH Defguard Biofungicide - 1 Gal

    General Hydroponics GH Defguard Biofungicide - 1 Gal

    Out of stock, 1-3 weeks

    General Hydroponics Defguard Biofungicide/Bactericide is an OMRI-listed biofungicide and bactericide for use in organic gardening that's effective against a variety of pathogens, particularly botrytis (which causes botrytis blight, or gray mold) and powdery mildew. It also controls anthracnose; bacterial leaf blights, spots and specks; black mold; black spot (on roses); brown spot; fruit rot; and leaf spots. If you need a biofungicide/bactericide that prevents bacterial and fungal diseases from even establishing themselves on leaves, look no further than General Hydroponics Defguard Biofungicide/Bactericide.

    Out of stock, 1-3 weeks

    $89.99

  • True Organic™ Prilled Sulfur - 5lb

    True Organic True Organic™ Prilled Sulfur - 5lb

    Out of stock, 1-3 weeks

     True Organic™ Prilled Sulfur not only supplies sulfur to plants, but it is used to lower soil pH. Using elemental sulfur results in a higher availability of micronutrients, making it beneficial for overall growth, flowering and fruiting. Use to grow superior flowers, vegetables, herbs and foliage by balancing the soil for in-ground plants. Test your soils pH, then apply one to two weeks before planting and feeding. One five-pound bag covers up to 1,333sq ft. Active Ingredient : Sulfur 99.9%. OMRI Listed®. Use Monthly. 

    Out of stock, 1-3 weeks

    $10.29


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