Archive for the ‘Cercopora leaf spot’ Category

Geraniums Enjoy The Cool Autumn Season

  Annual geraniums (Pelargonium x hortorum) are popular bedding plants in the garden or in all kinds of containers including window boxes or hanging baskets. Color choices include red, pink, rose, salmon, orange, lavender, violet, or white. High summer heat is challenging for all geraniums. Some types of geraniums stop blooming completely and perk up […]

Stop The “Crape Murder”

In Tennessee (where I live) and in the Southeastern U.S., bad crape myrtle (Lagerstroemia x) pruning continues to be done by professional landscapers and homeowners (USDA hardiness zones 6-9). This practice, also called “topping”, reduces tree (or shrub) height. Over 25 years, Southern Living magazine called this “crape murder”. Crape murder is not going away. More crape […]

Types of Garden Irrigation

These days there are lots of choices in watering gardens, individual containers, and newly planted trees. Before setting your flowers or veggies, install drip lines or soaker hoses. These systems are the most efficient method of watering and put less hurt on your water bill. Drip systems deliver water at ground level and do not wet the […]

Japanese Larch Is Preferred In Northern U.S.

Larches (Larix spp.) are majestic deciduous conifers in their northern ranges of their habitat (USDA hardiness zone 4 to 7). However, trees do not prosper in hot and humid summers south of USDA Zone 7. One of the best is Japanese larch (Larix kaempferi), but unfortunately, it is not commonly planted in U.S. landscapes. The tree averages 50-60 feet in height and 25-35 […]

Crape Myrtle Diseases And Pests

Not all crape myrtle cultivars are alike. Some are more susceptible to diseases and insect pests more than others. Overall, the U.S. National Arboretum (USNA) hybrid crapemyrtles are more disease and insect resistant, but not to all problems. Some cultivars are susceptible to aphids, usually in the spring. Their sugary excretions over leaves and stems […]