Diseases include canker, crown rot, root rot, leaf spot, rust… $12.99 shipping. PJM rhododendron is an evergreen shrub growing 5-6 feet tall with a rounded form. Insect problems include aphids, borers, lacebugs, leafhoppers, mealybugs, mites, nematodes, scale, thrips and whitefly. 99. I suspect he also loves them because in order to really see them in their splendor, … Rhododendron Seaview Sunset - Red, Yellow and Orange Blooms! Some types of rhododendrons that lose their leaves in winter are commonly called azaleas. $39.99 1. 4 members have or want this plant for trade. If you’re reading this on another site, it’s unArthurized. Bright green leaves turn a mahogany color in winter, elliptic in shape, 1¼” to 2″ long. Here’s how to help: Whenever the temperature gets above freezing, give your rhododendron a slow and steady trickle of water until the soil feels damp 8-10 inches down. Foliage changes to a plum-purple in fall, persisting through winter. But, amongst them was one plant, the PJM rhododendron that was unfazed by the assault of the out-of-season, 17 degree Fahrenheit weather. See: Azalea (Rhododendron spp. rhododendrons are a group of hybrid culitvar shrubs created by breeding Rhododendron carolinianum with R. dauricum var. Size: 1 Gallon $39.99. Design Ideas This rugged little fellow promises to perform even where the climate is on the warm side for most Rhododendron. Rhododendron pests and disease harm plants that are stressed due to environmental conditions or injury. This post is the original content of Arthurized Home. Il s’attaque principalement aux rhododendrons affaiblis par un manque ou un excès d’eau, ou bien qui ne sont pas assez aérés. A healthy plant in the proper environment with proper … April 17, 2019 plants arthurized home, colorful cottage living, darn deer, fall gardening, PJM rhododendron, plants, woodland gardening arthurized 3 comments. Plant your rhododendron in a shady area that drains well has a pH of 4.5 to 6.0 and provide fertilizer several times during the spring and summer to encourage growth. Collman, Extension Agent, … The foliage of elliptic, glossy, dark green leaves turns reddish-purple in fall and winter. Antonelli, Extension Entomologist; R.S. ( Log Out / Insects, Diseases, and Other Plant Problems: Rhododendrons are susceptible to insect and disease problems. No chemicals adequately control this disease. Sign up to get all the latest gardening tips! HOW TO IDENTIFY RHODODENDRON AND AZALEA PROBLEMS By A.L. Grab the attention and envy of your neighbors with this enchanting plant! ON 3 Oct 2018 BY Mackenzie Rosman. View gallery. Images shown are of mature plants. Sorry, your blog cannot share posts by email. Common problems of rhododendron bushes can be avoided by providing the best growing environment possible and maintaining a consistent pruning, mulching and fertilizing program. Rhododendron PJM Regal - Deep Pink, Almost Purple Blooms - Hardy to -25 Degrees (One Gallon) 5.0 out of 5 stars 3. Rhododendron bushes are similar to azaleas and members of the genus Rhododendron. Flowers are a spectacular bright lavender-pink, covering the plant in late April. Few diseases of rhododendrons are also prevalent. Reviving a distressed rhododendron may require a combination of remedies if there is more than one stress factor involved. Michigan grown rhododendruns are hardy and easy to grow - find out how and where to plant a rhodie, fertilizing tips, pest patrol and trimming and deadheading your Rhodie. Change ), You are commenting using your Twitter account. 24 more photos VIEW GALLERY. Rhododendron hybrids considered to have some resistance include Boursault, Cunningham's White, English Roseum, Lebar's Red, Roseum Elegans, and Roseum 2. This shrub can live 40 years while preserving its splendid appearance. “she must be feeling pretty deerscouraged”. Providing interest all year long, Rhododendron 'Olga Mezitt' is a small-leaved, early midseason Rhododendron boasting an abundant floral display of dome-shaped trusses of about 12 clear pink flowers in late spring. UPDATE:A few weeks later, the leaves have returned to the PJMs, they’re growing like crazy and seem to be very healthy! Relatively few rhododendrons are fully hardy in the Chicago area or can cope well with its alkaline soils. The PJM group of rhododendrons are the result of a hybridization program that began North America in the 1930's by Massachusetts nurserymen Peter J. Mezitt and son, Edmund Mezitt. Change ), You are commenting using your Google account. $63.99 $ 63. These include: Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. I’ve just taken a photo of my PJM rhodo because I’ve never seen the leaves this red. Some simple diagnoses and remedies can be tried by the homeowner and will often cure the problem. 99. Chlorosis (leaves turn yellow) often indicates an iron deficiency in the soil that is often caused when the soil pH becomes too high. Maleike, Extension Horticulturist, WSU Western Washington Research and Extension Cen-ter, Puyallup; S.J. Epsom Salts* According to the American Rhododendron Society , if the plant has older leaves that have turned yellow between green veins, you likely have a Magnesium deficiency. If an established rhododendron loses vigor after several years and there are no obvious insect or disease problems, it may be suffering from a lack of calcium. Water stress can occur under both extremes of flooded, overly-saturated soils or under drought conditions when too little water is present. Rhododendrons bloom in late spring and provide a burst of color before summer flowers set in. Create a website or blog at WordPress.com, Hatfield & McCoy Blackberry Mountain Half Marathon Review – No Feudin’, Just Runnin’. PJM Rhododendron Shrubs Rhododendron x 'P.J.M.' PJM Rhododendron Leaf Colour (Question) I continue to find your site and information so useful. Dejected, we paid a visit to the nursery where we purchased the rhododendrons, looking for a glimmer of hope for these little guys. From The Garden Forum: Hi...need help with both of these plants: anabelle hydrangea and a compact pjm rhododendron. Issues with rhododendrons are rare as they are relatively low maintenance plants. Au besoin, tailler les fleurs fanées pour l'esthétisme. Botrytis blight: Small, water-soaked lesions develop on petals. Good choice for fence lines. These hybrids resulted from crosses between Rhododendron carolinianum and Rhododendron dauricum var. Rhododendron 'PJM' Rhododendron . Rhododendron PJM.