Lights out dahlia

Learn how to plant, water, support, and bloom beautiful dahlias — even as a beginner.

Join our Beginners guide to dahlias email course to learn how to grow dahlias with us!

Dahlias thrive in Colorado with the right care! Plant after frost, amend clay soil, water deeply, and stake for Colorado winds.

Learn more in our Colorado dahlia growing guide.

Colorado is an ideal place to grow dahlias — long sunny days, dry air, and a long bloom season from July through October. This guide covers how to plant and care for dahlias in Colorado, including frost timing, clay soil amendments, watering schedules, heat & shade tips, staking for wind, dividing & storage, and managing pests. Local insights for Denver, Boulder, Colorado Springs, Grand Junction and the Western Slope.

Ready to grow your own? Pre-order Colorado dahlia tubers for spring planting.

Pesticide, herbicide, and synthetic fertilizer free grown. No till, locally made compost, leaf mulch, companion planting, and healthy BRIX plants growing methods.

Questionable dahlia plants are immediately culled. Cutting snips in 10% bleach solution for 2 minutes between harvesting flowers, between plants, and between division of one tuber clump to another. Preventative insect management via soil health, companion planting, attraction of benificial insects and birds, and plant BRIX number management.

Blog post - Our approach to dahlia virus.

Local Pickup:

Free

Colorado shipments

• $9 for order value $0-$75
• $12 for order value $75+

All other states:

• $12 for order value $0-$75
• $17 for value $75+