Botanic Garden >> Gardening > >> Question and Answer >> Plant Species >> Annuals

Preventing Bud Rot in Miniature Dahlias: Bottom Watering and Fungicide

Dahlias hate wet buds. Water at soil level only, morning, so foliage dries before night. If buds still brown and fail to open, spray Serenade (organic fungicide). This applies to all dahlias—miniature or dinner-plate.

Annuals: Gardenia Bud Drop: Thrips or Environmental Stress; Phalaenopsis Orchid Buds Turning Yellow: Causes and Fixes; Hibiscus Bud Drop with Cottony Webs: Mealybug Infestation; Rose Buds Turning Black: Midge Damage or Heat Stress; Dahlias Not Blooming: Investigating Light, Pests, and Virus Symptoms; Dahlias and Geraniums Not Blooming in Heat: Nitrogen, Temperature, and Photoperiod Effects; Why Marigold Buds Fail to Open: Water, Fertilizer, and Slug Troubleshooting; Diagnosing Dahlia Decline: Fertilizer Burn, Watering, and Fungal Issues; Saving Dahlia Tubers from Seed-Grown Plants: A Complete Guide; Growing Dahlias: Sun, Soil, and Care for Spectacular Blooms

Garden Articles

Dahlia Tuber Care: Hydroponics, Sulfur, and Chlorine Questions

Malformed Orchid Buds: Causes, Solutions & When to Remove Them

Why Phalaenopsis Buds Die Before Opening: Ethylene, Temperature, and Paint Fumes

Snapped Phalaenopsis Spike: Will It Rebloom from a Node?

Cymbidium Bud Bubbles: Sap Secretion vs. Pest Infestation

First Phalaenopsis in Florida: Bud Drop from Fruit Bowl, Fixed by Moving

Preventing Bud Blast in Orchids: Light, Temperature, and Humidity Solutions

Plants

Rose Buds Shriveling, Leaves Chewed in Colorado Mountains: Rose Midge + Sawfly

Why Climbing Roses Don't Bloom for Years and How to Encourage Flowers

Kordana Miniature Rose Care: Sun, Soil, Fertilizer, and Disease Resistance

Identifying Rose Bud Points: Where New Growth Emerges

Blackening Rose Buds: Rose Midge vs. Frost Damage on Mr. Lincoln Roses

Oklahoma Rose Bud Drop: Rose Midge Damage and Cat Deterrents

Rose Buds Blackening and Rotting – Midge or Botrytis?