12oz Bottle
12oz Bottle
Healthy plant protection. Effectively control harmful soft body insects and a variety of plant disease like powdery mildew, mold, rust and fungus on contact without using poison. Safe for beneficial pollinators, people and the environment.
12 oz concentrate mixes with water to make 12 gallons of spray.
*All sizes available in cases and pallets.
SHIPMENT: FEDEX or USPS. Delivery in 3-5 business days in California. Delivery in 5-7 business days nationwide.
Warehouse Pickup by appointment only. Requires pre-approval. Includes no shipping fee.
PAYMENT: Credit Card only.
*Apply for terms and discount pricing under the "contact" tab.
**All prices subject to change without notice.
NOTE: You might see different colored caps (BLACK OR GREEN) due to supply chain issues. There has been NO change to our product in any way.
Natural & Organic Ingredients
Natural & Organic Ingredients
Since 2017, Lost Coast Plant Therapy has replaced over 29.44 million gallons of harmful chemical pesticides with a safe, biodegradable solution. Unlike chemical treatments, our product does not harm bees, ladybugs, or the environment.
See our Ingredients here.
By choosing our product, you are joining a community of gardeners and farmers dedicated to making a positive difference.
Easy to Use
Easy to Use
Whether you’re a beginner gardener or a seasoned grower, our product is designed to make plant care straightforward and stress-free. Just shake, mix, and spray!
Made in the USA
Made in the USA
Lost Coast Plant Therapy is proudly crafted in the United States. Based in the beautiful Humboldt County, California, we produce our product in small batches to ensure the highest quality and performance for our customers.
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How It Works
Lost Coast Plant Therapy works by suffocating soft-bodied insects like spider mites, thrips, aphids, and whiteflies. At the same time, it cleans plant surfaces of powdery mildew, mold, and fungus while balancing the pH to prevent their return.
The result? Healthier plants, cleaner produce, and a safer environment.
Eco-Friendly
Biodegradable, non-toxic, and safe for bees, ladybugs, and the planet.
Proven Results
Trusted by over 230,000 users worldwide.
Versatile Use
Effective on houseplants, gardens, and commercial farms.
Approved by CCOF
Made with natural and organic ingredients, and safe for food plants.
How to Apply
Make sure to follow the directions on your bottle for the best results.
SHAKE concentrate WELL before measuring.
Add purified water to your application sprayer.
Clear the lines of your sprayer.
Add 2 tbs. (1oz) of concentrate per 1 gallon of water.
Shake/agitate mixed contents of sprayer before applying to plants.
Continue to agitate the mixture during use, approximately every 5 minutes.
What pests does it target?
What pests does it target?
Lost Coast Plant Therapy effectively targets a wide range of soft-bodied pests, including spider mites, aphids, thrips, whiteflies, and more. It also controls mold, mildew, and fungal diseases on contact.
Can it be used during all stages of plant growth?
Can it be used during all stages of plant growth?
Yes! Lost Coast Plant Therapy is safe to use during all stages of plant growth, from seedlings to harvest. For flowering and fruiting plants, ensure proper application by saturating leaves and stems while avoiding excessive moisture on blooms or fruit.
Does it leave any harmful residue on plants?
Does it leave any harmful residue on plants?
No, it does not leave harmful residue. Lost Coast Plant Therapy is biodegradable and designed to dry quickly, usually within 15 minutes. This ensures your plants remain clean and free from unwanted chemicals.
Can it be used indoors and outdoors?
Can it be used indoors and outdoors?
Absolutely! Lost Coast Plant Therapy works effectively in both indoor and outdoor environments. For indoor use, apply when lights are off and ensure proper ventilation. Outdoors, apply early in the morning or evening when temperatures are below 80°F.
Can it be used on edible plants?
Can it be used on edible plants?
Yes! Lost Coast Plant Therapy is safe for edible plants, including fruits, vegetables, and herbs. Its natural ingredients ensure no harmful residues, even when used right up to the day of harvest.
How long does it take to see results?
How long does it take to see results?
You’ll often notice results immediately for soft-bodied pests like aphids and whiteflies, which are suffocated or dehydrated on contact. For mold, mildew, and more stubborn infestations, results are typically visible after repeat applications over 3–5 days.
Our Story
For over 53 years, we’ve been passionate about organic gardening and sustainability. When we couldn’t find a natural solution to protect our greenhouse plants from pests and disease, we decided to create one.
Two years of research and 18 months of testing later, Lost Coast Plant Therapy was born.
Every bottle is made with the highest-quality, non-toxic ingredients, ensuring it’s safe for you, your family, and the environment. From our family farm to your garden, we’re here to help your plants thrive while caring for the planet we all share.
