Beetroot illustration

Growing Dome Greenhouse Planting Schedule

A well-designed greenhouse planting schedule helps you get the most out of your Growing Dome in every season. By planning ahead and aligning your planting with natural growth cycles, you can maintain healthy soil, reduce pest pressure, and enjoy consistent harvests year-round.

Rather than waiting for crops to slow down, the Growing Dome Greenhouse Planting Schedule encourages planning about a month before your current crops finish producing. This approach gives you time to prepare beds, amend soil, and transition plants without stress.

Large collard green in the center of a thriving garden with a fig tree in the background

Free Downloads

Planning Seasons for Your Greenhouse Planting Schedule

In Colorado and other growing zones 4–5, the most effective planning periods occur in February, August, and December. These months are ideal for stepping back and preparing for the next planting window.

Regardless of climate, this is the time to focus on soil health, bed layout, pest prevention, and moving plants between indoor and outdoor environments. Soil should always be the first priority. Growing year-round in a greenhouse places continuous demands on nutrients, and depleted soil will limit success no matter how well-timed your planting schedule may be. If you haven’t amended your soil in the past year, take time to assess it now. Healthy soil is the backbone of every successful greenhouse planting schedule.

Open notebook with a hand drawn bed layout and lists of plants resting on a table in a greenhouse

Planting Layout and Pest Prevention

Planning seasons are also when you can proactively reduce pest issues. Designing beds with pest-resistant plants such as garlic, marigolds, and other strongly scented herbs helps deter insects naturally. Wormwood can also be effective when kept in containers.

This is a good time to prepare pest management tools as well. Traps for insects, mice, and wasps are easiest to deploy when you already have them on hand. Copper mesh or wire placed around new seedlings creates a mild electrical charge that repels slugs and insects. Since slugs contribute beneficial fertilizer in moderation, managing their population is usually preferable to eliminating them entirely.

If you’re moving plants into or out of the Growing Dome, smaller plants adjust more easily than large, established ones. Pruning larger plants before moving them reduces shock, especially when temperatures differ significantly. Spraying leaves with SAFER or a similar mild soap and gently cleaning them helps remove pests and eggs before they enter your greenhouse ecosystem.

Seasonal Crop Placement in the Growing Dome

A balanced greenhouse planting schedule combines annual crops with carefully placed perennials. Perennial plants stay in the soil year-round, so spacing matters. Giving them enough room allows them to act as natural bed dividers while reducing competition for nutrients and water. Most perennials thrive when spaced about five feet apart and generally require less water than annuals.

Within the dome, placement supports plant health. Sun-loving crops perform best along the outer perimeter, while shade-tolerant plants are better suited closer to the central pond, where temperatures remain more stable.

Large perennial rosemary bush in a greenhouse surrounded by annual plants

Greenhouse Planting Windows

March

The first major planting window in the Growing Dome occurs around mid-March, when soil temperatures consistently reach about 60°F. This warmth allows warm-season seeds to germinate reliably and marks the start of summer crop production.

When planning your greenhouse planting schedule for this window, it helps to think ahead to summer heat. Vining crops planted in the outer beds can provide natural shade, helping cool the dome during the hottest months while making efficient use of vertical space.

Tomato plants about one foot tall in pots next to an established kale plant ready to be planted into a greenhouse garden

A Year-Round Greenhouse Planting Schedule That Works

By breaking the year into clear planting windows and planning ahead, the Growing Dome Greenhouse Planting Schedule creates a resilient system that supports continuous harvests. With healthy soil, thoughtful bed design, and seasonally timed planting, your greenhouse becomes a stable ecosystem that works with the seasons rather than against them.

Greenhouse Gardening Best Practices

Subscribe to Our Newsletter

Join our community to stay up to date

Fougere background