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

Endless Summer Hydrangea Stem Dieback: Armillaria Root Rot?

Sudden wilting of individual stems on an otherwise healthy hydrangea suggests Armillaria root rot. Expose root crown, remove diseased soil, replace with clean soil. Confirm with Alabama Extension (ACES) or Illinois IPM (UIUC).

Perennials: Mid-Spike Bloom Wilting in Phalaenopsis: Causes and Response; Managing Algae and Fungus in Seedling Terrariums and Bog Gardens; Long Island Perennial Garden Design: Four-Season Interest for Sun and Shade; Identifying Stella d'Oro Daylily Seeds; Periwinkle Wilting and Yellowing: Likely Fungal Disease in Texas Heat; Sweet Broom (Genista) Sudden Death in Sacramento: Genista Caterpillar or Root Rot?; Best Plants for a Sunny Birdbath Water Feature in the Deep South; Removing Established Ivy: Root Removal & Herbicide Finish; Iris Transplant Shock: Why Leaves Wilt After Planting and How to Recover; Transplanting Wild Buttercups in West Tennessee

Garden Articles

Repotting Stress in Large Houseplants

Reviving a 60-Year-Old Rhododendron in Indiana

Growing Heather in Clay Soil: Italian Hillside Garden

Diagnosing Dahlia Wilt and Tuber Damage: Pests, Diseases, and Crop Rotation

Why Dwarf Crape Myrtles Stay Small

Dividing and Transplanting Mature Peonies: Ensuring Future Blooms

Pruning Evergreen Shrubs and Euonymus in Southern Illinois

Plants

Flowering Bamboo Decline: Revival Options Limited

Professional Greenhouse Design and Construction in Southern California

Thrips on 'New Dawn' Climber: Low Threat, High Nuisance—Control Options

Yellowing Leaves on Indoor Aralia

Reviving Bare-Root Nepenthes: Soaking, Humidity, and Patience

Natural Options for Erectile Dysfunction with High Blood Pressure

Perennial Care Reference Websites and Books