Ryan McCallister

Ryan McCallister

Ryan has a Bachelor of Science degree in both Ornamental Horticulture and Biology.

Latest from Ryan McCallister

decorvow, Ryan McCallister

7 Tips for Growing Perfect Poppies Every Year, According to Martha's Head Gardener

Ryan McCallister, gardener with large branch

8 Fall Gardening Chores You Should Never Skip, According to Martha’s Head Gardener

Ryan McCallister with bulbs

Martha’s Favorite Bulbs to Naturalize for an Informal-Looking Landscape, According to Her Head Gardener

Ryan McCallister holding dahlias

Martha’s Head Gardener Shares His Tips for Growing Perfect Dahlias Every Year

Ryan McCallister holding peppers

How to Harvest Peppers the Right Way, According to Martha’s Head Gardener

Ryan McCallister

How to Stake and Cage Tomato Plants, According to Martha’s Head Gardener

Ryan McCallister with flowers

6 Summer Flowers Martha Grows Year After Year, According to Her Head Gardener

Ryan McCallister next to a peony

How to Plan a Well-Rounded Spring Garden—Plus 6 Flowers Martha Grows Each Year, According to Her Head Gardener

Martha's head gardener, Ryan McCallister, carrying compost tea in her greenhouse.

10 Composting Tips That Will Keep Your Soil Healthy, According to Martha’s Head Gardener

Martha's gardener planting vegetables in the garden

7 Fast-Growing Vegetables to Plant in Early Spring, According to Martha’s Head Gardener

Ryan McCallister holding a begonia.

6 Valentine's Day Houseplants That Are Just as Beautiful as a Bouquet—but Will Last for Years

Colorful garden at Bedford

How to Order Flower Seeds Like a Professional Gardener