Best Fungicide For Trees And Shrubs: 10 Options Compared

#1 · Best Overall

1. BioAdvanced 3-in-1 Concentrate

• Form: Liquid
• Weight: 2.1 lb

Best for: Multi-Problem Ornamental Treatment.

Why it ranks #1: Its listed uses explicitly include trees and shrubs, and it controls several listed diseases alongside insects and mites, with protection stated up to 14 days.

BioAdvanced 3-in-1 combines insect, disease, and mite control in one concentrate, helping ornamental gardeners address several listed plant problems in a single treatment workflow. Its disease targets include black spot, powdery mildew, rust, and scab, while the product is listed for roses, flowers, trees, shrubs, and other ornamentals.

The concentrate is diluted at 2.5 fluid ounces per gallon of water and applied evenly over plant surfaces with a pump sprayer, giving users a defined mixing and application method. Its three-way formula covers listed insects, mites, and fungal diseases, which can reduce the need to choose separate products for those problems. BioAdvanced states protection lasts up to 14 days, a useful interval to consider when scheduling repeat care.

Skip it if you want a fungicide-only product rather than combined pest control; Bonide Captain Jack’s Copper Fungicide Concentrate is focused on plant diseases.

This concentrate suits ornamental gardeners managing fungal disease alongside listed insects or mites on trees, shrubs, roses, and flowers. Its pump-sprayer dilution workflow and protection period of up to 14 days are relevant fit considerations.

Listed on Amazon as: BioAdvanced 3-in-1 Insect, Disease, and Mite Control Concentrate – 32 oz

#2 · Best Tree Coverage

2. Monterey Liqui-Cop

• Weight: 1.24 kg

Best for: Dormant And Growing Season Coverage.

Why it ranks #2: The listing names fruit trees, nut crops, and ornamentals, with disease targets including anthracnose, brown rot, blight, and leaf spot.

Monterey Liqui-Cop is listed for use during both dormant and growing seasons, giving tree and shrub caretakers a copper fungicide option across different points in the growing cycle. Its disease targets include anthracnose, brown rot, blight, downy mildew, botrytis blight, and leaf spot, and the 32-ounce bottle includes a measuring spoon.

The dormant-and-growing-season use claim makes Liqui-Cop relevant to buyers planning treatments beyond active leaf growth. Its listed use spans fruit trees, nut crops, vegetables, and ornamentals, which can simplify product selection across a mixed garden. The 32-ounce size and included measuring spoon support measured use, while the disease list covers several common fungal problems. Directions call for protective eyewear and thorough washing after mixing and applying.

Skip it if you want a ready-to-use spray without a mixing step; Bonide Captain Jack’s Copper Fungicide is sold as a ready-to-use spray.

Liqui-Cop fits gardeners treating fruit trees, nut crops, and ornamentals who want a product listed for dormant and growing-season use. The measured application workflow and protective-eyewear direction are important considerations.

Listed on Amazon as: Monterey Liqui-Cop Fungicidal Spray, 32 oz with Measuring Spoon

#3 · Best Organic Copper

3. Bonide Captain Jack Copper Concentrate

• Form: Liquid
• Weight: 1.3 lb

Best for: Organic Copper Concentrate For Gardens.

Why it ranks #3: Approved for organic gardening, this concentrate lists use on fruits, nuts, ornamentals, and roses, and targets diseases including black spot and peach leaf curl.

Bonide Captain Jack’s Copper Fungicide is a concentrate approved for organic gardening, offering growers a mix-before-use alternative for treating listed plant diseases. Its stated use up to the day of harvest makes it relevant to edible gardens, while listed applications also include roses, fruits, nuts, herbs, ornamentals, and turf.

Unlike a ready-to-use spray, this liquid concentrate is mixed before application, which suits gardeners who prefer to prepare a treatment for selected plants. Bonide lists control of powdery mildew, downy mildew, black spot, peach leaf curl, and rust, among other diseases. Directions call for coverage of plant surfaces and repeat application every 7–10 days as needed. The organic-gardening approval and harvest timing are notable for edible-crop care.

Skip it if you want to skip concentrate mixing and apply immediately; Bonide Captain Jack’s Copper Fungicide Ready-to-Use Spray comes pre-mixed.

This concentrate fits organic gardeners who treat edible crops alongside ornamentals and can mix a liquid before spraying. Account for its 7–10-day repeat schedule as needed and follow directions for coverage of plant surfaces.

Listed on Amazon as: Bonide Captain Jack Copper Fungicide 16 oz Concentrated Plant Disease Control Solution for Organic Gardening

#4 · Best Systemic Option

4. Liquid Harvest Broad Spectrum

• Form: liquid
• Weight: 2.5 lb

Best for: Systemic Landscape Disease Control.

Why it ranks #4: Its 14.3% propiconazole formula is described for systemic disease control on ornamentals, landscape, and nursery plants, with preventative and curative properties.

Liquid Harvest Broad Spectrum Disease Control contains 14.3% propiconazole and is listed for systemic disease control on turf, ornamentals, and landscape or nursery plants. Its preventive and curative action, paired with named targets including powdery mildew, rust, and leaf spot, suits buyers managing disease across more than shrubs alone.

The systemic, preventive, and curative claims make this product relevant both before disease develops and when listed problems appear. Liquid Harvest gives a dosing range of 0.5–4 fluid ounces per gallon per 1,000 square feet and directs users to the label for specific dosing. That area-based rate is useful for planning landscape applications, while the 32-ounce self-measuring bottle supports measuring product for treatment.

Skip it if you need a ready-to-use spray rather than a product dosed for an area; Trifecta Crop Control is listed as ready to use.

This fits landscape and nursery plant caretakers who need systemic disease control across turf and ornamentals, with named targets such as rust and leaf spot. Its variable, area-based dosing makes label directions essential for each application.

Listed on Amazon as: Liquid Harvest Broad Spectrum Disease Control – 32 Ounces – 14.3% Propiconazole Fungicide for Turf, Ornamentals & Plants – Effective Against Powdery Mildew, Rust, Leaf Spot & More for Healthier Plants

#5 · Best Long Protection

5. Ferti-lome 2-N-1 Systemic

• Form: Liquid
• Weight: 0.27 g

Best for: Long-Interval Systemic Shrub Care.

Why it ranks #5: The systemic formula is listed for shrubs, roses, and flowers, controls listed diseases and insects, and provides protection for up to six weeks.

Ferti-lome 2-N-1 combines systemic insecticide and fungicide protection for up to six weeks, making it an option for buyers addressing both disease and insect pests on shrubs, roses, and flowers. Its mix-and-pour application goes around the plant base rather than spraying leaves, a useful distinction for treatment workflow.

The concentrate is mixed with water at label rates and poured near the plant base, so application differs from a foliar spray routine. Ferti-lome states that its systemic formula protects the entire plant, including new growth, for up to six weeks. Listed targets include aphids, borers, thrips, black spot, and rust. The combined insecticide-fungicide action can address both categories, while the base-pour method is central to deciding whether it suits your routine.

Skip it if you want a foliar spray for direct leaf coverage; Bonide Captain Jack’s Copper Fungicide Ready-to-Use Spray is applied to leaf surfaces.

This suits shrub, rose, and flower growers seeking systemic protection against listed insects and diseases with a base-pour routine. Consider whether mixing concentrate and treating at the plant base fits the plants and workflow involved.

Listed on Amazon as: Fertilome (10478) 2-N-1 Systemic Insecticide + Fungicide, 32 oz

#6

6. Bonide Captain Jack Copper Spray

• Form: Spray
• Weight: 16 oz

Best for: Ready-to-Spray Organic Garden Care.

Why it ranks #6: This ready-to-use copper spray is approved for organic gardening and lists control of blight, black spot, powdery mildew, and peach leaf curl.

Bonide Captain Jack’s Copper Fungicide comes as a ready-to-use spray, so gardeners can apply it without first mixing a concentrate. Its organic-gardening approval and listed use up to harvest suit growers caring for edible plants as well as ornamentals, while its disease list includes blight, black spot, powdery mildew, and peach leaf curl.

The ready-to-use spray form removes a mixing step, making it a practical choice for treating plants when disease first appears. Bonide lists use on fruits, vegetables, nuts, herbs, and flowers, so one product can serve a varied garden rather than ornamentals alone. Directions call for thorough coverage on the tops and undersides of leaves and repeat applications every 7–10 days. That schedule matters when planning ongoing disease prevention or control.

Skip it if you need a concentrate to mix for multiple treatments; Bonide Captain Jack’s Copper Fungicide Concentrate offers a liquid concentrate instead.

For organic gardeners treating edible crops and ornamentals, this ready-to-use copper spray offers a direct application route and a broad listed disease range. Its repeat schedule and spray format are the main considerations for ongoing care.

Listed on Amazon as: Bonide Captain Jack's Copper Fungicide, 32 oz Ready-to-Use Spray for Organic Gardening, Controls Common Diseases, for All Plants

#7

7. Trifecta Crop Control Spray

• Form: Spray

Best for: Plant-Based Indoor And Outdoor Spray.

Why it ranks #7: Its ready-to-use formula is described for indoor and outdoor plants and names powdery mildew and botrytis, but tree-and-shrub suitability is not specified.

Trifecta Crop Control is a ready-to-use, plant-based spray listed for indoor and outdoor plants, including edible crops. Its stated targets span fungal problems such as powdery mildew, botrytis, and mold as well as soft-bodied pests including spider mites, aphids, and whiteflies, making it an all-in-one option for mixed plant care.

The ready-to-use format works with an atomizer, misting system, or spraying apparatus, giving users several listed ways to apply it without mixing a concentrate. Trifecta describes the formula as biodegradable and says it can be used on edible crops without chemical residues. Its pest-control approach is described as suffocating and dehydrating soft-bodied pests, while the product is also presented as a fungicide and miticide for plant care.

Skip it if you need a concentrate with a stated systemic mode of action; Liquid Harvest Broad Spectrum Disease Control lists systemic disease control for ornamentals and landscape plants.

Trifecta suits growers looking for a ready-to-use plant-based spray across indoor and outdoor plants, including edible crops. Its application requires thorough wetting, and its listed pest targets focus on soft-bodied insects.

Listed on Amazon as: Trifecta Crop Control Ready to Use Maximum Strength Natural Pesticide, Fungicide, Miticide, Insecticide, Help Defeat Spider Mites, Powdery Mildew, Botrytis and Mold on Plants 32 OZ Size

#8

8. Atticus Gravex 20EW

• Form: Liquid

Best for: Systemic Curative And Preventive Care.

Why it ranks #8: The myclobutanil concentrate is described as both curative and preventive and absorbed by leaves and roots, but the supplied data does not specify tree uses.

Atticus Gravex 20EW combines curative and preventive disease control with absorption into plant leaves and roots. That inside-out action is the central distinction for buyers seeking both response to existing disease and a way to halt further development. The listing identifies it as a myclobutanil concentrate in a 16-ounce liquid format.

Gravex 20EW’s stated curative and preventive properties address two different points in a disease cycle: invading disease and future development. Its absorption into leaves and roots provides the listed inside-out mode of action, rather than relying only on surface coverage. The 16-ounce concentrate is a liquid product, so buyers should expect a mixing workflow, but the supplied details do not specify a dilution rate or compatible tree and shrub species.

Skip it if you want a ready-to-use spray with named garden diseases and application intervals; Bonide Captain Jack’s Copper Fungicide lists those details.

This suits buyers looking for a myclobutanil concentrate with both curative and preventive properties and leaf-and-root absorption. Check the product label for application rates and plant-specific directions before relying on it for a particular tree or shrub.

Listed on Amazon as: Atticus Gravex 20EW Fungicide (16oz) – Myclobutanil Concentrate

#9

9. Monterey Fungi-Max

• Form: Liquid

Best for: Measuring-Spoon Liquid Fungicide.

Why it ranks #9: The listing identifies a liquid fungicide and includes a measuring spoon, but supplies no disease targets, plant uses, or application details for comparing tree fit.

Monterey Fungi-Max comes as a 16-ounce liquid fungicide with a measuring spoon included. That combination gives buyers a defined container size and a tool for measuring product, making it the limited but concrete point of difference in the supplied listing for this tree and shrub roundup.

The listing identifies Fungi-Max as a liquid fungicide and confirms an included measuring spoon, so the product at least provides a measuring tool alongside its 16-ounce container. However, the supplied product information does not identify disease targets, compatible plants, application rates, or a seasonal use window. Those details are central to choosing a tree or shrub treatment, so buyers need label information before they can assess fit or plan a treatment.

Skip it if you need named disease targets and plant-use guidance before choosing; Monterey Liqui-Cop lists diseases and use on fruit trees and ornamentals.

Fungi-Max may suit a buyer already evaluating Monterey’s labeled product and seeking a liquid fungicide with a measuring spoon. For tree or shrub disease decisions, verify the label’s targets, eligible plants, and application directions first.

Listed on Amazon as: Monterey Fungi-Max Fungicide, 16 oz with Measuring Spoon

#10

10. Quali-Pro Propiconazole 14.4

• Form: Oil
• Weight: 2 lb

Best for: Propiconazole Fungicide Buyers.

Why it ranks #10: This listing identifies a 14.4 propiconazole fungicide, but provides no stated tree or shrub use, disease targets, or application directions.

Quali-Pro 83013366 identifies propiconazole 14.4 as its fungicide ingredient, giving buyers a specific active-ingredient concentration to evaluate. The product is listed as a 32-ounce bottle in oil form, but the supplied details do not name tree or shrub disease targets or describe its application method.

The 14.4 propiconazole designation is the clearest selection detail for buyers comparing fungicide active ingredients. A 32-ounce bottle provides the listed container size, and the oil form identifies its formulation. Beyond those facts, the supplied information offers no disease list, dose, or plant-use directions. That leaves important questions about whether it suits a particular tree or shrub and how to apply it, so label details should guide any purchase decision.

Skip it if you want named disease targets and tree-use information in the supplied listing; Liquid Harvest Broad Spectrum Disease Control lists ornamentals and specific diseases.

This may suit buyers specifically evaluating a propiconazole 14.4 fungicide and comfortable checking the product label for application details. Do not assume fit for a tree or shrub until its disease targets and directions are clear.

Listed on Amazon as: Quali-Pro 83013366 Propiconazole 14.4 Fungicide, 32oz, White