Ag picture

Trees and Shrubs
- Trees and shrubs can still be planted/transplanted , the sooner the better
- Prune back spring flowering shrubs after bloom
- Mulch landscape beds to conserve water, reduce weeds and keep roots
cool for the summer - no more than 3-4 inches
- Check irrigation systems to make sure they are operating properly
including amount of water, proper timing and sensors
- Monitor for pine sawfly, lacebug, spruce mite, aphids, cankerworm tent
caterpillar and holly leafminer
- Look for cedar-apple rust fungus on Juniperous species of plants
- Find Rhododendrons, Azaleas, Fothergilla, Redbud, Crabapple, Lilac,
and various Viburnums in bloom

Flowers and Vegetables
- Plant summer flowering bulbs such as Dahlias, Cannas, Gladiolus
- May 15 is the frost free date for central NJ
- Warm-season plants should be protected on potentially frosty evenings
- Harvest lettuce, radishes, spinach and other cool season vegetables
- Remove dead flowers of daffodils, tulips, Narcissus and allow foliage
to dry
- Find Bleeding Heart, Jacob's Ladder, Forget-Me-Not, Iris (late May),
Phlox and Candytuft in bloom

- Minimize fertilizer applications at this time
- Cut and leave grass clippings - do not remove more than 1/3 of the
grass blade
- Avoid renovation if possible
- Post emergent weed control can be applied - make sure to properly
identify the weed problem
- Monitor for cool-season diseases like necrotic ring spot, red thread,
and various leaf spots
- Monitor for grubs (properly identify species) - control for most
species is achieved in early August

- Strawberries available mid- to late May
- Thin fruit trees as they begin to develop

If Plants Could Talk features gardening tips from local university experts, successful farmers, master gardeners, and many other plant experts. Topics include new and interesting plant varieties, safe and effective pest control, step-by-step cultural tips for landscape and garden, and visits to local farms, arboretums, and backyard gardens.

NJN  broadcasts over Channels 23 (Camden), 50 (Montclair), 52 (Trenton), 58 (New Brunswick) and all New Jersey cable systems. If you're not sure what channel your local cable company or satellite distributor designated for NJN then click here.
This Month's Feature
Plant Talk
Plant Talk
Bill Hlubik's weekly article for 5/22/2008
Interesting Irises for your landscape.
Chocolate Covered Strawberries
A delicious recipe for chocolate covered strawberries
Tree Planting Slideshow
Tree Planting Slideshow
A step by step presentation on how to successfully add a tree to your landscape.
The Presby Memorial Iris Gardens
The Presby Memorial Iris Gardens
General information about the Presby Memorial Iris Gardens