And don't worry about overdoing it - your soil is like a sponge right now ... to steal those nutrients from your plants. So, take a little time after fertilizing to do a final weed pull.

Other orchid potting mix recipes include: 50:50 mix of perlite and bark 80:10:10 fresh fir bark, horticultural charcoal and sponge rock ... you do need to fertilize your plants.