Autumn brings stunning displays to Ashton Gardens as vibrant sunflowers, mums, ornamental kale, dahlias, and roses bring the gardens to life with rich autumn colors. While you explore, enjoy hands-on activity stations featuring watercolor painting, scent testing, seed observation, bird watching, flower crafts, and interactive science experiences that uncover the fascinating world of plants.
Complete a garden scavenger hunt, explore inspiring displays from the Utah Dahlia Society, learn from dahlia-growing experts, take home fresh-cut flowers, and return for the popular cut-flower sale on September 28–29 while supplies last. Every showcase ticket includes a return pass for the cut dahlia and sunflower sale, while supplies last.
Guided Garden Tours
Explore the colors of the season on a free guided walking tour with a Thanksgiving Point Docent. Discover the Dahlia Garden, Fragrance Garden Fields, vibrant displays of sunflowers and mums, and other seasonal highlights throughout Ashton Gardens.
Ashton Gardens
3900 N. Garden Drive
Lehi, Utah 84048
September 23-26, 2026
9 am – 8 pm
Showcase: September 23-26
Utah Dahlia Society Exhibition: September 26
Classes: September 26
Cut Sale: September 28-29, while supplies last
Admission is FREE for Thanksgiving Point Members and included with regular Ashton Garden admissions.
Autumn Bloom Showcase Classes
Growing Full size dahlia plants from pot tubers
Teacher: Ann Bailey, Owner of Bailey’s Blooms
Saturday, September 26
9 am
$10 per person
$5 for Thanksgiving Point Members
This class demonstrates a unique method of growing dahlias for easy propagation in limited space. Ann Bailey will share her experience producing full size plants in 6” cups, reducing workload at harvest, and successfully farming over 900 dahlia clumps in a single season.
Soil Health for Dahlias
Teacher: Melanie Stock, USU Associate Professor, Urban & Small Farms Extension Specialist
Saturday, September 26
10 am
$10 per person
$5 for Thanksgiving Point Members
CSI: Dahlia Division
Teacher: Dapper Dahlias by Moose
Saturday, September 26
11 am
$10 per person
$5 for Thanksgiving Point Members
A missing petal. Mysterious spots. Leaves with suspicious bite marks. Every garden has a crime scene. Learn how to gather the evidence, identify the culprit, and build an IPM strategy worthy of a gardening detective.
Kent & Eileen Gale