Potted Jasmine Leaf Drop and Scale: Water Less, Spray Oil

Two potted jasmines (6 & 8 yr) in high desert, under 85% shade cloth. Green leaves desiccate and drop. Larger plant has tiny waxy bumps on stalks/leaves near veins. Copper spray failed.

Two Issues

1. Watering: Too frequent (every other day). Let dry more between waterings. Empty saucers immediately.
2. Scale: Waxy bumps = scale. Spray horticultural oil thoroughly, weekly until dead (wash off).

Jasmines are gorgeous otherwise—fix these and they'll thrive.