Snapdragons are annuals (and sometimes perennials) that come in every color of the rainbow. However, according to McEnhill, they are best grown in another part of your garden.
Roses are large plants with large root systems—and they should never be planted near other large woody plants, such as lilacs, which could outcompete the rose for water or nutrients.
Fruits and vegetables, such as potatoes, tomatoes, and peppers, shouldn’t be grown next to roses due to how prone they are to diseases that can spread, such as verticillium wilt and fungal infections.
Roses and hollyhocks are both cottage garden classics that enjoy the same conditions, such as full sun, fertile soil, and excellent air circulation,
Leopard's bane is a perennial ground cover that produces cheerful, yellow flowers. “But it shades the ground, locks in moisture, and can quickly colonize an area.
Mint is a favorite among gardeners due to its resilience and ability to deter pests. However, the rapid spreading habit of mint can overwhelm neighboring roses if not pruned back.
As climbers, morning glories have been known to brighten up retainer walls and the ugliest of fences. But its sturdiness can harm rose stems and foliage should they become intertwined.
It spreads rapidly and forms dense mats, which can potentially smother your roses and compete for resources.