Plant Encyclopedia
Everything about care, pruning, watering and winter hardiness of thousands of plants
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4 plants
Red dahlia: complete guide
Dahlia coccinea
A stunning dahlia from Mexico with brilliant scarlet blooms. Excellent for cut flowers with long vase life. Blooms from July through October.
Dahlia excelsa: complete guide
Dahlia excelsa
Tree dahlia is a striking Mexican shrub with elegant flowers. Learn how to cultivate and maintain this spectacular plant in your garden.
Dahlia imperialis: complete guide
Dahlia imperialis
Tree dahlia: stunning Mexican dahlia reaching 4 meters tall with pink-red flowers in autumn. Dramatic statement plant, fast growing, blooms November-December annually.
Merck's dahlia: complete guide
Dahlia merckii
Discover Dahlia merckii, an elegant Mexican species with delicate flowers. Ideal for cutting, garden displays, and pollinator-friendly plantings.