Hebe pinguifolia · Shrub
Downy mildew: Ensure good air circulation and water at the base to keep foliage dry.
Leaf spot fungi: Remove affected leaves and avoid overhead watering to reduce humidity.
Vine weevil: Check pots for grubs before planting and use biological controls if infested.
Aphids: Encourage natural predators like ladybirds or spray with a strong jet of water.
Slugs and snails: Use physical barriers, hand-pick at night, or apply iron phosphate pellets.