Heat, humidity, and high rainfall put begonias, vinca, sweet potatoes, and more to the test in Raleigh.

With nearly 3,200 trial entries, Metrolina’s 2025 public trials highlighted durable color and strong performance across seasons.

The Garden at Elm Bank highlights how plants in their 13 trial beds held up under a hot New England summer.

A hot, rainy Wisconsin season put roses, zinnias, kale, and compact annuals to the test at Boerner Botanical Gardens.

At D.S. Cole Growers, evaluating plants during summer heat offers a sense of which varieties hold up when late-season stress kicks in.

Here’s a look at what performed well at the Dallas Arboretum during an unusually cool, mixed-weather season in North Texas.

From weather swings to standout pollinator magnets, the Penn State Flower Trials highlight top performers.

In Alabama’s Zone 8 heat, Young’s Plant Farm highlights standout performers and a Food U edible garden collaboration from this year’s trials.

Now entering its third year, the Iowa Arboretum & Gardens shares top performers from its most successful trial season yet.

Testing more than 1,000 varieties, see which plants thrived in Colorado State University’s 2025 field trials.

The 2025 trials at the Cincinnati Zoo saw nearly 900 annual varieties tested for performance, pollinator value, and landscape resilience.

Green Legacy, a family-owned greenhouse located in central Ohio specializing in annual bedding plants for garden centers and landscape contractors, will be hosting a plant trial this summer.