Captain Jack’s Copper Fungicide is effective against common fungal diseases including downy mildew, black rot, leaf spot, powdery mildew, blight, leaf curl and more. Copper Fungicide can be used on a variety of listed fruits, vegetables, nuts, herbs and flowers, and can even be applied up to the day of harvest.
Application:
For best results, shake well and attach to a garden hose. Apply thoroughly to the tops and undersides of leaves and all plant surfaces on affected plants. Repeat every 7-10 days as needed. Please see product label for full use instructions.
"Took the terrarium class & it was so much fun & the terrarium I made looks awesome in my home. Highly recommend taking this class!!"
- Laura Goeltl, November 2025
"Best plants locally!"
- Jimmy James, July 2023
"Great selection and helpful staff. A bit crowded but it was Friday afternoon."
- Kim McCargo, May 2024
"Best garden place in Fort Collins. Need one in the Springs!!"
- Michele Arthur, August 2024