This week in your Massachusetts garden & landscape

• To determine if houseplants are watered adequately, check root zone soil.
• Use drip irrigation, mulch, wider spacing and proper fertilization to reduce disease.
• Dormancy is a natural adaptation of turf grass to survive heat and drought stresses. Fertilizing dormant lawns will encourage weeds.
• Early blight and septoria leaf spots are the most common tomato leaf diseases. Click here for more information.
• Leave alone a tomato hornworm with white cocoons on its back. The cocoons belong to a parasitic wasp which will kill the hornworm.

---