Horticulture Help Desk
Horticulture Help Desk
Extension Brown County Horticulture staff are available to assist with lawn care, gardening, tree and shrub care, plant and insect identification, and insect and disease diagnosis.
Ask Our Brown County Horticulture Team
Submit a Sample
Drop off a plant sample along with your question and contact information. Our horticulture staff will review it and follow up with guidance.
For the most accurate diagnosis, submit your question at least 1-2 clear photos. Our horticulture team will follow up with guidance as soon as possible.
Phone
We’re here to help. Leave a voicemail for our horticulture staff, and we’ll return your call within 1-2 business days.
Not from Brown County? We welcome questions from gardeners across Wisconsin.
Wisconsin residents from any county are welcome to submit gardening questions. Share details about your concern and attach photos through our Ask a Gardening Question Form, and a Wisconsin Extension Master Gardener or Extension staff member will respond within 2-3 business days. You can also ask questions live during our Monthly Plant Health Q&A.
Common Horticulture Issues
Japanese Beetles
The Japanese beetle, Popillia japonica, is a significant pest of landscape trees and shrubs, vegetable and fruit crops, and turfgrass in the eastern United States.
Powdery Mildew
Powdery mildew is a common fungal disease that affects the leaves and stems of many trees, shrubs, ornamentals, houseplants, and crops.
Blossom End Rot
Blossom end rot is a physiological disorder in tomatoes that causes the blossom end of the fruit to turn dark, become sunken, and eventually rot, reducing fruit quality.