Orange leaves on princess plants (Tibouchina) typically indicate iron deficiency, often due to high soil pH.
Apply an iron supplement (chelated iron) for rapid greening.
Amend soil with organic matter: peat, aged manure, and compost. This lowers pH, improves structure, and provides sustained nutrients.
Product example: Dr. Iron.
Puckered Grapevine Leaves: Herbicide Drift, Virus, or Mites?
Hydrangea Leaf Spots: Fungal Disease Management
Camellia Yellow Leaves and Brown Flowers: Stress or Damage
Hibiscus and Hollyhock Lace Leaves: Thrips and Atomic Grow Butterfly-Safe Control
Mysterious Root-Like Clumps in Garden Soil: Fungal Mycelium or Something Else?
When Bedding Plants Fail but Shrubs Thrive: Diagnosing a Decomposed Organic Layer and Root Disease
Using Shredded Leaves in the Garden: pH Concerns Addressed
Improving Garden Soil with Humus and Managing Fertilizer Frequency
Reusing Potting Soil: Replace Every Other Year
Persistent White Mold on Houseplant Soil: Control, Not Cure
Best Plants for Clay Soil and Planting Size Advice
Mold on Indoor Plant Soil: Why Repotting Is the Best Cure
Cyclamen Mites on African Violets: Identifying and Treating Deformed Growth
Copyright © www.100flowers.win Botanic Garden All Rights Reserved