Pima County Master Gardeners

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Pima County Master Gardeners Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from Pima County Master Gardeners, Gardener, 4210 N Campbell Avenue, Tucson, AZ.

Pima County Master Gardeners, directed and supported by University of Arizona faculty & staff, educate residents by providing unbiased research-based horticulture practices & information to promote the development of healthy, sustainable communities.

Short Take: Fall Plant Sale PreviewMonday, October 19, 2026 at 5:00 pm Do you love plants? Is your idea of a great day s...
10/16/2026

Short Take: Fall Plant Sale Preview

Monday, October 19, 2026 at 5:00 pm

Do you love plants? Is your idea of a great day spent shopping for plants and scoring amazing deals? In this session, we’ll showcase a variety of plants to help you plan ahead and choose the perfect additions for your home garden. Get a behind-the-scenes look at our upcoming plant sale and discover what goes into making our community plant sales a success!

Register for this class with this link [URL] - https://arizona.zoom.us/meeting/register/XTU9eHL-SeecKcZEaezCLA #/registration

Seeing this on Instagram? Click on the class calendar link in our bio to see offerings and register.

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📣Plant Spotlight!African Milk Bush (Euphorbia bicompacta) Much like the plant spotlighted before Euphorbia's contain a l...
10/15/2026

📣Plant Spotlight!

African Milk Bush (Euphorbia bicompacta)

Much like the plant spotlighted before Euphorbia's contain a low severity toxic sap that can lead to varying degrees of skin irritation. However that is only if they get damaged! Otherwise it is a beautiful plant that poses no threat unlike other prickly plants.

Use it as a houseplant or keep it outdoors, this plant prefers low humidity making it thrive in our dry heat.

Find this plant and more at the Fall Plant Sale on October 24th
🌵 Cacti • Trees • Shrubs
🌸 Flowering plants • Irises • Bulbs
🌿 Herbs • Seasonal vegetables & more

📣Plant Spotlight!The African Milk Tree (Euphorbia trigona f. rubra) is not a tree but a succulent! When damaged it will ...
10/14/2026

📣Plant Spotlight!

The African Milk Tree (Euphorbia trigona f. rubra) is not a tree but a succulent! When damaged it will secrete a white milky substance but don't taste or touch it,. The sap is toxic and can cause irritation of the skin, eyes, or mucous membranes.

Don't let this ornamental scare you, it more than makes up for it in looks with its deeper red hue and the three sided columnar limbs.

Find it at our Fall Plant Sale in the new nursery with 3x the space!

🪴 More room to shop
🌵 More plants to explore
🛒 Bring your own wagon or cart!

Fall Plant Sale | Saturday, Oct. 24 | 8–11 AM
📍 4210 N. Campbell Ave.

You don't need weird excuses to buy more plants, but if you need ideas, here are some of our favorite memes 😂💚🪴We hope t...
10/13/2026

You don't need weird excuses to buy more plants, but if you need ideas, here are some of our favorite memes 😂💚🪴

We hope to see you at our upcoming Fall Plant Sale:
Saturday, October 24, 2026 | 8:00–11:00 a.m.
Pima County Cooperative Extension | 4210 N. Campbell Ave., Tucson

🌵 😁

Pruning Part 1: Basics & ShrubsWednesday, October 14, 2026 at 4:00 pm Pruning is a complex topic, so we've divided the...
10/12/2026

Pruning Part 1: Basics & Shrubs

Wednesday, October 14, 2026 at 4:00 pm

Pruning is a complex topic, so we've divided the topic into two classes. Sign up for either or both. Part 1 covers the basic principles of pruning with an emphasis on woody shrubs.
What is rejuvenation pruning and when should you be using it? What's the difference between shearing, heading, and size reduction, and which should you be doing? We'll also talk about tools and when NOT to prune.

Register for this class using this link [URL} - https://arizona.zoom.us/meeting/register/URHdqWvtScC4ldvYmWTgHg #/registration

Seeing this on Instagram? Click on the class calendar link in our bio to see offerings and register.

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Did you know our Master Gardeners lead the Campus Arboretum Tours? We are a proud partner of the ! Tours cover a variety...
10/11/2026

Did you know our Master Gardeners lead the Campus Arboretum Tours?

We are a proud partner of the ! Tours cover a variety of topics each week on Sundays. Don't worry if you can't make one week they rotate the topics regularly so you have plenty of opportunities to take one or all of the themed walking tours.

Arboretum tours are free but to help the program count numbers, registration is required. Also keeping tours smaller allows for more Q&A time for each participant.

Follow their eventbrite page to stay up to date on all the tours [URL] https://www.eventbrite.com/o/university-of-arizona-campus-arboretum-tours-65029058133

📣Plant Spotlight!Have you ever seen a Medusa's Head (Euphorbia caput medusae)? Don't worry this plant won't turn you int...
10/10/2026

📣Plant Spotlight!

Have you ever seen a Medusa's Head (Euphorbia caput medusae)?

Don't worry this plant won't turn you into stone. This succulent loves to spread wide compared to tall, making it a great option for ground cover.

Find it at the Fall Plant Sale | Saturday, Oct. 24 | 8–11 AM
📍 4210 N. Campbell Ave.
🚗 NEW ENTRANCE & PARKING: Access from Roger Road only. Follow the Plant Sale signs.
🛒 Bring your own wagon or cart!

Passive Rainwater Harvesting Tuesday, October 13 at 1:30PMWheeler Taft Abbett Sr. Library7800 N Schisler Dr, Tucson, AZ ...
10/10/2026

Passive Rainwater Harvesting

Tuesday, October 13 at 1:30PM

Wheeler Taft Abbett Sr. Library
7800 N Schisler Dr, Tucson, AZ 85743

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NEW! Short Take: Highlighting Native Plants: Quail Bush, Atriplex lentriformisMonday, October 12, 2026 at 5:00 pm Disco...
10/09/2026

NEW! Short Take: Highlighting Native Plants: Quail Bush, Atriplex lentriformis

Monday, October 12, 2026 at 5:00 pm

Discover quail bush, a resilient Sonoran Desert native with silvery foliage, ecological value, and a remarkable ability to thrive in challenging conditions. Learn about its role in supporting wildlife, its adaptability to arid landscapes, and how this often-overlooked plant can contribute to a more sustainable, wildlife-friendly garden.

Register for this class with this link [URL] - https://arizona.zoom.us/meeting/register/uTG7anK8T6SgBl69-3SvHw #/registration

Seeing this on Instagram? Click on to the class calendar link in our bio to see offerings and register.

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Address

4210 N Campbell Avenue
Tucson, AZ
85719

Opening Hours

Monday 8:30am - 4:30pm
Tuesday 8:30am - 4:30pm
Wednesday 8:30am - 4:30pm
Thursday 8:30am - 4:30pm

Telephone

(520) 626-5161

Website

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