Collin County Master Gardeners

Collin County Master Gardeners We are volunteers & Certified Master Gardeners who share research-based information on horticulture. All rights reserved.

Master Gardeners are members of the local community who take an active interest in their lawns, trees, shrubs, flowers and gardens. They are enthusiastic, willing to learn and to help others, and able to communicate with diverse groups of people. What really sets Master Gardeners apart from other home gardeners is their special training in horticulture. In exchange for their training, persons who

become Master Gardeners contribute time as volunteers, working through their county Extension office to provide research-based horticultural information to their communities. Collin County Master Gardeners are the educational arm of the Texas A&M AgriLife Extension Service. Notice: We don't provide recommendations of brands or products to the public. For gardening questions, please submit your question to: https://ccmgatx.org/forms/InfoCenterForm.aspx

📸 Images and graphics © CCMGA. Some images used with permission from partner organizations like Lady Bird Johnson Wildflower Center and individuals and may not be copied, edited, or reused.

Looking for a way to give back?Join a program that blends your love for gardening with a passion for service. Apply toda...
06/03/2026

Looking for a way to give back?

Join a program that blends your love for gardening with a passion for service. Apply today to become a Collin County Master Gardener.



𝗪𝗵𝗮𝘁 𝗱𝗼 𝗠𝗚𝘀 𝗱𝗼?

Being a Master Gardener isn’t just about knowing what grows in North Texas. It’s about becoming part of something bigger—an organization rooted in science, service, and sustainability.

Our student classes bring together all levels of gardening experience—from confident green thumbs to those who once claimed they could only grow weeds. No formal education or horticulture background is required—just a willingness to learn and a desire to give back.

Master Gardeners don’t just garden—they grow gardeners.



What to know:
• Must be a Collin County resident
• Class is limited to 50 participants
• Applications close July 1
• Zoom interview required for selection
• A background check will be required
• Mandatory weekly in-person classes (Tuesdays, Sept–Nov)
• 65+ hours of Earth-Kind® horticulture training
• $325 program fee includes materials and volunteer shirt
• Hands-on volunteer service required for certification following training
• Interns serve in public gardens, outreach events, and education programs
• After completing, Master Gardeners complete 25 volunteer hours and 10 continuing education hours annually to retain certification



This isn’t a workshop. It’s the beginning of a long-term volunteer journey.

Apply now at https://bit.ly/CCMGAtraining
Deadline: July 1, 2026

June in North Texas means heat, growth, pests, harvests, and plenty of garden tasks. Our monthly checklist highlights wh...
06/01/2026

June in North Texas means heat, growth, pests, harvests, and plenty of garden tasks. Our monthly checklist highlights what to plant, prune, water, and keep an eye on as we head into summer.

Turn scraps into soil!Today’s the perfect day to start composting. Learn how kitchen scraps, leaves, and yard trimmings ...
05/29/2026

Turn scraps into soil!
Today’s the perfect day to start composting. Learn how kitchen scraps, leaves, and yard trimmings can turn into garden gold.

🛠️ Tip: Compost piles need “greens” (wet items) + “browns” (dry items) + air + moisture to thrive!
Read more about composting...
CCMGA Composting Resources Page: https://bit.ly/4j3qUm7
Texas A&M AgriLife: Compositing Basics (PDF): https://bit.ly/4jYd2uP

05/28/2026
Why does being in nature make people feel calmer?Join us for “The Well-Gardened Mind” presented by Dr. Sue Stuart-Smith,...
05/28/2026

Why does being in nature make people feel calmer?

Join us for “The Well-Gardened Mind” presented by Dr. Sue Stuart-Smith, psychiatrist, psychotherapist, and author of the bestselling book exploring the relationship between gardening, nature, and mental health.

Whether you’re an experienced gardener or simply someone who enjoys nature, this session offers a thoughtful look at the powerful connection between green spaces and human wellbeing.

𝗖𝗖𝗠𝗚𝗔’𝘀 𝗦𝘂𝗺𝗺𝗲𝗿 𝗦𝗽𝗲𝗮𝗸𝗲𝗿 𝗦𝗲𝗿𝗶𝗲𝘀
The Well-Gardened Mind
Speaker: Dr. Sue Stuart-Smith

📅 Wednesday, June 17
🕚 11:00 AM–12:30 PM
Free Zoom Webinar
Registration required: https://bit.ly/CCMGASummerSpeakerSeries

Looking for roses that can handle Texas heat without constant care?Five new Earth-Kind® roses were just selected for 202...
05/27/2026

Looking for roses that can handle Texas heat without constant care?

Five new Earth-Kind® roses were just selected for 2026—chosen for their ability to thrive with less water, fewer inputs, and reliable performance in real-world conditions.

Earth-Kind roses are tested across Texas to ensure they can handle our soils, heat, and drought while still delivering strong blooms.

📌 See which varieties made the list and how they perform here: https://tinyurl.com/5adsw8nc
🔗 Growing tips: https://aggie-horticulture.tamu.edu/earthkindroses/growing-tips/

𝗟𝗼𝘃𝗲 𝗴𝗲𝘁𝘁𝗶𝗻𝗴 𝘆𝗼𝘂𝗿 𝗵𝗮𝗻𝗱𝘀 𝗶𝗻 𝘁𝗵𝗲 𝗱𝗶𝗿𝘁? Apply now to join the Collin County Master Gardeners and help us grow thriving gard...
05/26/2026

𝗟𝗼𝘃𝗲 𝗴𝗲𝘁𝘁𝗶𝗻𝗴 𝘆𝗼𝘂𝗿 𝗵𝗮𝗻𝗱𝘀 𝗶𝗻 𝘁𝗵𝗲 𝗱𝗶𝗿𝘁?
Apply now to join the Collin County Master Gardeners and help us grow thriving gardens and a more informed community.


𝗪𝗵𝗮𝘁 𝗱𝗼 𝗠𝗚𝘀 𝗱𝗼?
Being a Master Gardener isn’t just about knowing what grows in North Texas. It’s about becoming part of something bigger—an organization rooted in science, service, and sustainability.

Our student classes bring together all levels of gardening experience—from confident green thumbs to those who once claimed they could only grow weeds. No formal education or horticulture background is required—just a willingness to learn and a desire to give back.

Master Gardeners don’t just garden—they grow gardeners.



What to know:
• Must be a Collin County resident
• Class is limited to 50 participants
• Applications close July 1
• Zoom interview required for selection
• A background check will be required
• Mandatory weekly in-person classes (Tuesdays, Sept–Nov)
• 65+ hours of Earth-Kind® horticulture training
• $325 program fee includes materials and volunteer shirt
• Hands-on volunteer service required for certification following training
• Interns serve in public gardens, outreach events, and education programs
• After completing, Master Gardeners complete 25 volunteer hours and 10 continuing education hours annually to retain certification



This isn’t a workshop. It’s the beginning of a long-term volunteer journey.

Apply now at https://bit.ly/CCMGAtraining
Deadline: July 1, 2026

On this Memorial Day, we pause to remember the men and women who gave their lives in service to our country.Their sacrif...
05/25/2026

On this Memorial Day, we pause to remember the men and women who gave their lives in service to our country.

Their sacrifice is the foundation of the freedoms we live with every day—freedoms that are easy to take for granted, but never came without cost.

Today, we honor their courage, their service, and the lives they gave. May we carry that remembrance with gratitude and respect, not just today, but always.

North Texas clay soils can be tricky. They’re full of nutrients—but that doesn’t always mean your trees can use them.Hig...
05/24/2026

North Texas clay soils can be tricky. They’re full of nutrients—but that doesn’t always mean your trees can use them.

High pH, low organic matter, and even sodium buildup can quietly impact tree health over time. The only way to really know what’s going on? A soil test.

This guide breaks down what to look for and how to respond so your trees can thrive long-term.

🔗 Read more: https://bit.ly/4vZEy1r

Heads up—tax-free weekend starts today! 💧May 23–25 is your chance to stock up on water-saving essentials without paying ...
05/23/2026

Heads up—tax-free weekend starts today! 💧

May 23–25 is your chance to stock up on water-saving essentials without paying sales tax.

From plants and mulch to drip irrigation and rain barrels, it’s a simple way to make your garden more efficient going into summer.

📌 Shop smart, conserve water, and make the most of the season ahead.

🔗 Full details: https://comptroller.texas.gov/taxes/publications/98-1018.php

Address

825 N McDonald Street, Ste 150
McKinney, TX
75069

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