Different plants feed different organisms, shade the soil differently, and make a garden less likely to fail all at once.
A mix of plants with different roots, heights, and seasons gives the soil a steadier supply of food and keeps more kinds of insects and soil organisms around.
Why it matters
Each kind of plant releases different substances through its roots, which feed different soil organisms.
Deep and shallow roots reach different layers of soil.
A varied planting can be less hurt by a single pest, disease, or bad season.
Flowers through the year support pollinators and other beneficial insects.
Ways to add diversity
Rotate crops. Avoid planting the same family in the same bed year after year.
Mix in flowers, herbs, and native plants among vegetables.
Use a mix of species in a cover crop instead of a single one, where seed and timing allow.
Keep something flowering from spring through fall where you can.
Things to watch
Choose plants that suit your site and growing season. In the Black Hills region, check what does well locally before buying seed.
Avoid planting species that are known to spread aggressively where you live. Your county extension office can help.
More kinds of plants also means more to keep track of. Start small.
Recommendations vary by climate, soil, and growing system.
Recommendations that use this idea
Add flowering plants for beneficial insects
Practical experienceLow effortNot yet reviewed by an expert
A wider mix of flowers feeds more kinds of pollinators and predatory insects, and a wider mix of roots feeds more kinds of soil life.
Let a few herbs or vegetables flower
Practical experienceLow effortNot yet reviewed by an expert
Flowers from plants like dill, cilantro, and carrot attract beneficial insects that eat garden pests.
Plan a crop rotation
Practical experienceLow effortNot yet reviewed by an expert
Moving plant families around reduces disease and pest build-up and spreads out what each crop draws from the soil.
Plan a mix of plants for next season
Practical experienceLow effortNot yet reviewed by an expert
A mix of plant types with different roots covers soil better and supports more soil life than a single crop.
These appear in your plan when they fit your growing space and the season. Open My Soil.