A container-grown hebe that hasn't flowered and shows black leaf spots needs expert attention — this genus has specific needs and disease issues.
Contact the Hebe Society (hebesoc.vispa.com) for cultivar-specific advice on flowering and disease control. General gardening resources often lack detail on this genus.
Heirloom Rose Bush with Black Spot: Sanitation and Fungicide Program
Diagnosing Black Dots and Resin on Young Tree Leaves
Gardenia with Webbing, Black Buds, and Leaf Drop: Spider Mites and Sooty Mold
Black Spots on Trees in Wet Area: Need Better Photo
Leaf Spots on Young Black Walnut: Harmless Fungi or Galls
Rose Black Spot Prevention: Cultural + Spray Program
Sooty Mold on Crepe Myrtle & Gardenia: Aphid Control
Dyed Black Mulch: Safe for Plants, But Dye Is a Trade Secret
Small Orange Cactus Black Spots After Vacation: Overwatered, Let Dry, Watch Spots
What Is a Black Hole? (Brief Physics Answer)
Fir Tree Infestation: Aphids/Scale, Sooty Mold, and Systemic Treatment
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