A group of multiple colored flowers

Seasonal Gardening

Gardening success through every season

CSU Extension provides trusted guidance for seasonal gardening, helping Coloradans plan, plant, and care for gardens year-round.

From spring planting to winter prep, find research-based resources to support healthy plants and productive landscapes in each season and stage of the growing cycle. Explore planting calendars, seasonal care guides, and recommendations tailored to Colorado’s climate zones.

Women in red boots and a green sweater gardening in a raised bed filled with leafy greens and vegetables, with gardening tools and seed packets in a basket nearby.