Gardening Tips

cherry
New OSU online course helps gardeners, nurseries diagnose plant problems
Identifying diseases, pests and other threats to plant health can be a challenge for even the most experienced gardener or landscaper. A new online course from Oregon State University aims to make diagnosing sick plants and choosing the right treatment easier.
Poinsettia
Start soon to fool poinsettias into color and bloom this winter
Late September is the time to start thinking about coaxing potted poinsettia plants back into color and bloom for December.
Yellow Jackets
Life's a picnic for yellow jackets
Yellow jackets buzzing around pop cans, hamburgers and fruit salad can ruin barbecues. And, because their sting can be life-threatening for some people, it might be necessary to destroy nests found near human activity.
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Be on the lookout for symptoms of tomato late blight
Late blight, a fungal disease that infects tomatoes, usually shows up in Oregon gardens as weather turns wet and humid, and it’s dispersed by the wind and rain.
sunflower
Let annuals go to seed in the fall
Good seed setters include sweet peas, sunflowers, calendula, borage, nasturtiums and annual delphiniums.
Deadheading a rhododendron
Should you deadhead your flowers?
Deadheading makes sense for repeat bloomers and highly modified annuals, but for most other plants it is a matter of appearance and the personal taste of the gardener.
Black-eyed Susans
Tips for saving water in the summer yard
Rain actually does go away on summer days in the Pacific Northwest and during this dry time, when vegetables and flowers bask in sunlight, water use and costs can increase substantially.
tomato on vine
6 common woes of tomatoes
OSU Extension horticulturist Brooke Edmunds troubleshoots common problems that afflict tomatoes.
squash
Mother Nature may need help to pollinate squash and cucumbers
Heat-loving squash and cucumber plants will take advantage of hot weather to blossom and set fruit. Successful pollination depends on insect pollinators, such as honeybees and native bees, as well as timing and location.
Lettuce
Keep it growing – plant fall and winter vegetables in July
In mild parts of western Oregon and along most of the coast, it is possible to grow a succession of garden vegetables throughout most of the year. Gardeners can extend the season well into fall in many parts of the Pacific Northwest with a little knowledge and protection of their plants from the elements.