| Sonoran Desert 101 | Mesa | Apr 1 2018 - 9:00am |
| Free Day in the Gardens | Prescott | Apr 1 2018 - 9:00am |
| Home Landscape Design Basics II | Phoenix | Apr 2 2018 - 6:30pm |
| Lush and Low Water Landscapes | Tucson | Apr 3 2018 - 12:00pm |
| FREE LANDSCAPE WORKSHOP: TREE AND SHRUB CARE | Surprise | Apr 3 2018 - 2:00pm |
| AZ Gives Day Party: Tucson | Tucson | Apr 3 2018 - 5:30pm |
| Hike – Wildflower Hike on Cone Mountain Loop | Scottsdale | Apr 4 2018 - 7:30am |
| Workshop for Operators, Owners and Managers of Public Water Systems | Prescott | Apr 4 2018 - 8:00am |
| Amazing Desert Plants Walk | Queen Creek | Apr 4 2018 - 9:00am |
| Master Gardeners: How To Propagate Plants | Tucson | Apr 4 2018 - 5:30pm |
| Workshop for Operators, Owners and Managers of Public Water Systems | Prescott | Apr 5 2018 - 8:00am |
| Clase de Cosecha de Agua de Lluvia (Reembolso de Tucson Water) | Tucson | Apr 5 2018 - 5:00pm |
| Container Gardening | Avondale | Apr 5 2018 - 6:00pm |
| Maximize Your Irrigation System | Gilbert | Apr 5 2018 - 6:30pm |
| BUILDING WITH EARTH & MASS IN THE DESERT | Scottsdale | Apr 5 2018 - 7:00pm |
| Pest Management for Trees | Phoenix | Apr 6 2018 - 7:30am |
| SAHBA FALL HOME SHOW | Tucson | Apr 6 2018 - 10:00am |
| Recycling Center Tour | Flagstaff | Apr 6 2018 - 1:00pm |
| Tucson Co-op Workshop: Big Tank in Little Garden | Tucson | Apr 7 2018 - 7:00am |
| Rainwater Harvesting and Greywater | Tempe | Apr 7 2018 - 9:00am |
| Best Vines for the Landscape | Phoenix | Apr 7 2018 - 9:00am |
| Science Saturday: Spring Celebration | Flagstaff | Apr 7 2018 - 9:00am |
| Drip Irrigation Clinic | Sierra Vista | Apr 7 2018 - 9:30am |
| SAHBA FALL HOME SHOW | Tucson | Apr 7 2018 - 10:00am |
| Landscape Watering | Phoenix | Apr 7 2018 - 1:00pm |
| Rain Gardens | Phoenix | Apr 7 2018 - 2:00pm |
| Watering and Weeding in Bear Canyon | Tucson | Apr 8 2018 - 8:00am |
| Pruning Trees and Shrubs | Phoenix | Apr 8 2018 - 2:00pm |
| Take your Walk to the Desert | Surprise | Apr 9 2018 - 8:00am |
| History Hike to Willow Canyon Springs and Farm Ruins and Farm Ruins | Surprise | Apr 9 2018 - 8:00am |
| Wildflowers: What’s Bloomin’? | Tucson | Apr 10 2018 - 10:00am |
| Master Gardener Presentation: Warm Season Vegetable Gardening | Tucson | Apr 10 2018 - 4:00pm |
| Anza Trail Hike | Sierra Vista | Apr 11 2018 - 8:00am |
| Dragonfly Trail Exploration Hike | Phoenix | Apr 11 2018 - 8:00am |
| CONTROLLING YOUR CONTROLLER | Phoenix | Apr 11 2018 - 2:00pm |
| How We Came to Love the Grand Canyon | Phoenix | Apr 11 2018 - 7:00pm |
| ACLP Turf Care and Installation | Scottsdale | Apr 12 2018 - 7:30am |
| Guided Plant Hike | Surprise | Apr 12 2018 - 9:00am |
| Advanced Smartscape: Irrigation | Phoenix | Apr 12 2018 - 1:00pm |
| Hiking through a Desert Forest | Peoria | Apr 13 2018 - 8:00am |
| Life Along the Creek | Phoenix | Apr 13 2018 - 8:00am |
| Vegetable Container Gardening | Tucson | Apr 13 2018 - 1:00pm |
| Desert Awareness-Desert Knowledge | Peoria | Apr 13 2018 - 2:00pm |
| Tucson Co-op Workshop: Gardening with Gravity | Tucson | Apr 14 2018 - 7:00am |
| Water Ecology Discovery Station | Surprise | Apr 14 2018 - 8:00am |
| Creating a Desert Lush Landscape Part 1 | Tempe | Apr 14 2018 - 9:00am |
| Drip Irrigation Design and Installation | Phoenix | Apr 14 2018 - 9:00am |
| Family Nature Club Event | Mesa | Apr 14 2018 - 9:00am |
| Tour gratis del Laboratorio Viviente y Centro de Aprendizaje | Tucson | Apr 14 2018 - 9:00am |
| FREE DROUGHT-TOLERANT LANDSCAPING WORKSHOP | Prescott | Apr 14 2018 - 10:00am |
| Laundry-to-Landscape and Beyond | Sierra Vista | Apr 14 2018 - 10:00am |
| Master Gardener Presentation: Shade Gardening | Tucson | Apr 14 2018 - 10:00am |
| Inviting Monarch Butterflies to Your Yard | Prescott | Apr 14 2018 - 11:00am |
| Rainwater Harvesting: What Goes Around, Comes Around | Prescott | Apr 14 2018 - 3:00pm |
| Southeastern Arizona Bird Observatory River Walk | Sierra Vista | Apr 15 2018 - 6:30am |
| Desert Rivers Audubon Field Trip: Page Springs | Sedona | Apr 15 2018 - 8:30am |
| Best Landscape Plants: Cacti | Phoenix | Apr 15 2018 - 10:00am |
| Take your Walk to the Desert | Phoenix | Apr 16 2018 - 8:00am |
| Vegetable Container Gardening | Tucson | Apr 16 2018 - 5:00pm |
| Master Gardener Talks: Insects in Our Gardens | Tucson | Apr 17 2018 - 12:00pm |
| Master Gardener Presentation: Plant Propagation | Tucson | Apr 17 2018 - 2:00pm |
| Master Gardener's Presentation | Phoenix | Apr 18 2018 - 8:15am |
| What’s Wrong With My Vegetable Garden? | Phoenix | Apr 18 2018 - 10:00am |
| Prescott Water History | Prescott | Apr 18 2018 - 12:00pm |
| PALM CARE AND MAINTENANCE WORKSHOP (ACTC & ALCA) | Tempe | Apr 18 2018 - 12:00pm |
| PALM CARE AND MAINTENANCE WORKSHOP | Tempe | Apr 18 2018 - 12:00pm |
| The Giving Tree: Desert Tree Care Class | Glendale | Apr 18 2018 - 6:00pm |
| The Giving Tree: Desert Tree Care Class | Glendale | Apr 18 2018 - 6:00pm |
| The Giving Tree: Desert Tree Care Class | Glendale | Apr 18 2018 - 6:00pm |
| Birding Agua Caliente Park | Tucson | Apr 19 2018 - 8:00am |
| We’re all in this Together Plant Hike | Surprise | Apr 19 2018 - 8:00am |
| Advanced Smartscape: Irrigation | Phoenix | Apr 19 2018 - 1:00pm |
| Living Lab Field Studies: Rain Garden Care | Tucson | Apr 19 2018 - 5:30pm |
| Southeastern Arizona Bird Observatory River Walk | Sierra Vista | Apr 20 2018 - 6:30am |
| Desert Wash Hike | Goodyear | Apr 20 2018 - 8:00am |
| Master Gardener: Gardening for Pollinators | Goodyear | Apr 20 2018 - 10:30am |
| Master Gardeners Presentation: Heat-Proofing Your Garden | Tucson | Apr 20 2018 - 1:30pm |
| Herb Gardening for Beginners | Phoenix | Apr 20 2018 - 6:30pm |
| Tucson Co-op Workshop: A Yard That Would Make Father Kino Proud | Tucson | Apr 21 2018 - 7:00am |
| GRANITE CREEK CLEANUP 2018 | Prescott | Apr 21 2018 - 8:00am |
| Creating a Desert Lush Landscape Part 2 | Tempe | Apr 21 2018 - 9:00am |
| Rainwater Harvesting Class (Tucson Water Rebate) | Tucson | Apr 21 2018 - 9:00am |
| EARTH DAY CELEBRATION 2018 | Prescott | Apr 21 2018 - 9:00am |
| Scottsdale Xeriscape Garden Tour | Scottsdale | Apr 21 2018 - 10:00am |
| Scottsdale Xeriscape Garden Tour | Scottsdale | Apr 21 2018 - 10:00am |
| Tucson Earth Day Festival | Tucson | Apr 21 2018 - 10:00am |
| Content Series - Earth Science | Scottsdale | Apr 21 2018 - 10:00am |
| UA Family Day | Sierra Vista | Apr 21 2018 - 10:00am |
| Water 101 | Phoenix | Apr 21 2018 - 1:00pm |
| Tanque Verde Flow & Feast on Earth Day! | Tucson | Apr 21 2018 - 5:00pm |
| Cruise the Canals | Tempe | Apr 22 2018 - 5:30pm |
| Self-Watering Containers | Tucson | Apr 23 2018 - 5:00pm |
| Full STEAM Ahead: Urban Gardening | Scottsdale | Apr 24 2018 - 3:30pm |
| SCREENING AND PANEL DISCUSSION OF THE FILM "GROUNDWATER" | Flagstaff | Apr 25 2018 - 5:30pm |
| BIRDING AGUA CALIENTE PARK | Tucson | Apr 26 2018 - 8:00am |
| Advanced Smartscape: Irrigation | Phoenix | Apr 26 2018 - 1:00pm |
| Building Healthy Soils with Cover Crops | Tucson | Apr 26 2018 - 2:00pm |
| DO IT YOURSELF DRIP IRRIGATION SYSTEM DESIGN & INSTALLATION | Chandler | Apr 26 2018 - 6:00pm |
| DO IT YOURSELF DRIP IRRIGATION | Chandler | Apr 26 2018 - 6:00pm |
| Hohokam Agave Tour | Tucson | Apr 27 2018 - 8:00am |
| Arbor Day Celebration | Surprise | Apr 27 2018 - 9:00am |
| Southwest Victory Gardens Presents: Container Gardening | Tucson | Apr 27 2018 - 11:00am |
| Drip Irrigation Design and Maintenance | Tempe | Apr 28 2018 - 9:00am |
| The Art of Science: Native Pollinators | Flagstaff | Apr 28 2018 - 9:00am |
| Homestead Era Fruit Tree Grafting Workshop | Tucson | Apr 28 2018 - 9:00am |
| April Pool's Day | Apache Junction | Apr 28 2018 - 10:00am |
| Nature Rangers Program - Arbor Day Celebration | Surprise | Apr 28 2018 - 1:00pm |
| Wildlife of Lake Pleasant | Surprise | Apr 28 2018 - 2:00pm |
| Mason Center Green Gardeners | Tucson | Apr 29 2018 - 6:30am |
| Agave Garden Planting | Tucson | Apr 29 2018 - 8:00am |
| What Grows in the Desert at Lake Pleasant | Peoria | Apr 29 2018 - 2:00pm |
| Full STEAM Ahead: Urban Gardening | Scottsdale | Apr 30 2018 - 3:30pm |
