By July, gardens across northwest New Jersey have been growing for months. Annuals are in full bloom, vegetable gardens are producing, and perennials are putting on a beautiful display. But summer heat, heavy rain, and fast-growing plants can also leave landscapes looking a little tired. The good news is that a few simple maintenance tasks can restore your garden’s beauty and keep it thriving through the rest of the season.
Use this mid-summer checklist to keep your landscape healthy, colorful, and ready for the months ahead.
✓ Water Wisely
July heat can quickly dry out flower beds, containers, and newly planted shrubs.
For healthier plants:
- Water deeply rather than lightly every day
- Water early in the morning
- Check containers and hanging baskets daily
- Keep newly planted trees and shrubs consistently moist
Deep watering encourages stronger roots and healthier plants.
✓ Pull Weeds Before They Spread
Weeds compete with your plants for water and nutrients.
Take time each week to:
- Remove weeds before they go to seed
- Clean around shrubs and perennials
- Keep vegetable gardens weed-free
- Edge planting beds for a neat appearance
A little effort now saves time later in the season.
✓ Feed Your Garden
Many plants continue growing and blooming throughout July.
Continue feeding:
- Annual flowers
- Hanging baskets
- Container gardens
- Vegetable gardens
Use a quality fertilizer according to label directions to encourage healthy growth and continued flowering.
✓ Deadhead and Lightly Prune
Keep your landscape looking fresh by removing:
- Spent flowers
- Dead or damaged stems
- Yellowing leaves
- Leggy growth
Regular deadheading encourages many annuals and perennials to continue blooming for weeks.
Avoid heavy pruning on shrubs that bloom on old wood, such as many hydrangeas and lilacs.
✓ Refresh Tired Containers
Containers often need extra attention by mid-summer.
Give them new life by:
- Replacing struggling plants
- Adding fresh potting mix if needed
- Fertilizing regularly
- Mixing in colorful annuals for an instant refresh
A few simple updates can brighten porches, patios, and entryways.
✓ Watch for Pests and Disease
Warm weather encourages both healthy plant growth and unwanted garden pests.
Inspect plants regularly for:
- Aphids
- Japanese beetles
- Caterpillars
- Powdery mildew
- Leaf spot diseases
- Chewed or yellowing foliage
Catching problems early makes them easier to manage.
✓ Add Fresh Summer Color
If some early bloomers have finished flowering, now is a great time to fill empty spaces.
Consider adding:
- Colorful annuals
- Long-blooming perennials
- Pollinator-friendly flowers
- Ornamental grasses
Refreshing your landscape now keeps it looking beautiful for the rest of the growing season.
✓ Start Planning Ahead
While you’re enjoying your summer garden, now is a great time to begin thinking about upcoming projects.
Consider:
- Adding trees and shrubs
- Planning pollinator gardens
- Choosing fall-blooming perennials
- Preparing areas for spring-flowering bulbs
- Expanding your landscape next season
Planning now makes future gardening projects easier and more enjoyable.
Frequently Asked Questions
Should I still fertilize in July?
Yes. Annuals, hanging baskets, containers, and vegetable gardens often benefit from regular feeding throughout the summer.
Why is deep watering better than daily watering?
Deep watering encourages roots to grow deeper into the soil, making plants more resilient during hot weather.
Can I still plant flowers in July?
Absolutely. Many annuals and perennials establish well with consistent watering.
Should I prune shrubs now?
Light pruning and deadheading are beneficial, but avoid heavy pruning on shrubs that bloom on old wood.
How often should I inspect for pests?
A quick walk through your garden every few days helps catch insects and diseases before they become major problems.
Visit Us
Whether you’re refreshing containers, replacing tired annuals, adding colorful perennials, or looking for expert gardening advice, Donaldson’s Greenhouse & Nursery has everything you need to keep your landscape looking its best all summer long.
Donaldson’s Greenhouse & Nursery
178 Airport Road
Hackettstown, NJ 07840
Phone: (908) 852-7314
Hours
Monday-Saturday: 8:00 AM – 6:00 PM
Sunday: 9:00 AM – 5:00 PM
Visit us for healthy plants, quality gardening supplies, and friendly advice to help your garden thrive from summer through fall.

