On very hot days we might have to water in the afternoon as well. This is best done during mid-afternoon as we want the plants to have dried off by nightfall. Anyway plants should be dry within about two hours after watering. You can mix most insecticides or fungicides with fertilizer. You are not helping the plant in any way by fertilizing heavily as orchids cannot absorb nutrients quickly.
Pests Provided insect pests are a problem, spraying is recommended weekly.
Alternate between a systemic and an organic insecticide. Ensure that you spray under the leaves and the top of the potting medium. The more common brands available are suitable for a variety of insect pests. Read the label . Snails, which can chew off tender new shoots in one night, are treated with snail bait spread on the ground or bench tops.