Pima County Master Gardeners Free Classes Calendar

Join us at the library. Sow native seeds for vibrant spring blooms! Learn when & how to plant wildflowers to support pollinators and beautify your desert garden.

Join us Online. Sahara mustard invades deserts, harms wildlife, and raises fire risk—learn how to help stop its spread.

Join us at the library. Learn how to choose, plant, and care for the perfect desert tree based on shade, form, flowers, lifespan, and more!

Join us Online. Explore the foods, herbs & spices of the first Thanksgiving and how they shaped today’s traditions.

Join us at the library. Cool season = great weather, fewer pests, less watering & more nutritious veggies! Learn key steps for in-ground & raised bed gardening.

Join us Online. Discover cool-season veggie & herb gardening—tips for raised beds, in-ground planting, and growing nutritious crops.

Join us at the library. Protect your garden from chilly desert nights! Learn cold-proofing tips, tough plants, and easy ideas for winter beauty and color.

Join us at the library. Tomatoes can thrive here in the desert! Master Gardeners share tips so you can grow amazing varieties and enjoy your best harvest yet.

Join us at the library. Discover how companion planting boosts crop health through natural plant partnerships—enhancing nutrients, pest control & pollination.

Join us at the library. Start or refresh your landscape with smart planning! Learn to design, choose, and care for plants in a sustainable desert garden.