I'm Glad You Asked

An Ethnobotanical Gem

An ethnobotanical gem growing in the Virginia Haldan Tropical House, provides the dye used in many products
A forest of burned trees

Fire and Plants

From thick bark to dormant buds, plants have evolved many strategies to avoid damage due to fire.
A large cactus with two stems growing in circles

Fasciation

What causes the abnormal, bizarre growth patterns that sometimes occur in plants?
Close-up of two fingers holding a cut branch leaking a clear liquid

Root Pressure and Sap Flow

What is the best time of year to prune?
Many bright pink flowers with layers of fluffy petals surrounded by pointy green leaves

Blue Roses?

Will there ever be a true blue rose?
Sunshine on yellow and orange flowers against a blue sky

Pollinator training strategies

Colorful ways that plants entice pollinators to stick around
Clusters of blue-purple flowers

Nectar: A Renewable Resource

Nectar, a floral reward for bees and birds

What are sunspots?

How do plants thrive in the dense understory beneath redwood trees?
Bright yellow leaves glow in the sunshine against a blue sky

Coloring of fall foliage

What causes the foliage to change color?