Harrell’s Technical Manager Marshall Horsman explains the proper way to fertilize palm trees in a landscape environment. Marshall Horsman is a Technical Manager for Harrell’s, specializing in tropical horticulture. He has been studying palms and horticulture since the age of 13, when he began traveling to remote areas of Latin America and the Caribbean with his…

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In this video, Harrell’s Technical Manager Marshall Horsman explains various nutritional deficiencies affecting palms, and how to identify and treat these problems. Nutrients covered include nitrogen, potassium, magnesium, manganese, iron and boron. Marshall Horsman is a Technical Manager for Harrell’s, specializing in tropical horticulture. He has been studying palms and horticulture since the age…

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Trees, shrubs, and herbaceous ornamentals benefit greatly from proper fertilization.  Fertilizing with the proper complete fertilizer early in the year promotes the development of healthy landscape plants that can withstand stresses associated with the growing season.  Proper fertilization also promotes highly desirable aesthetic qualities such as flowering and blooms which result in beautiful landscape appearances. Woody…

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As winter turns to spring, we find ourselves busier than ever trying to keep up with plant demands.  Fertilizers, pre-emergent herbicides, and fungicides are being applied so quickly you may now be looking to hire additional employees just to keep up.  Obviously, this is a great problem to have!  But before our agronomic vision becomes…

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Does the mild winter translate into more insects? Not necessarily, but we may see earlier activity, about 3 to 4 weeks ahead of schedule from a normal year. Actually, the drier weather we had experienced may counter act the warmer weather reducing the population slightly. Now is the time to start controlling nuisance pests. Depending on…

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On December 15, 2011 a Southeast Georgia citrus grower decided to put Harrell’s EarthMAX™ to the test. The grower set up a ‘head-to-head’ competition between two Ruby Red Grapefruit trees of the same age.  He used a 1/2% solution rate every two weeks as an application rate for the treated tree and for the next three…

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Anthracnose basal rot is a very destructive crown rotting disease that affects creeping bentgrass and annual bluegrass (poa annua) on putting greens. In the Midwest, the disease has been observed more often on creeping bentgrass than on annual bluegrass, but in the East, it affects primarily poa annua. Disease development is most often associated with abiotic…

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The flowers are blooming and the birds are singing… if you listen closely the birds are saying “fertilize your lawn dummy”.   Yes, it is time to get your spring fertilization applied to promote healthy turfgrass growth and recovery from the winter cold. Spring is the time to apply a “complete” fertilizer that contains nitrogen (N), phosphorus…

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What next? In addition to the rugose spiraling whitefly (RSWH) which showed up in late 2011, we now have another ficus whitefly! This was first noticed in Collier County by keen-eyed Scott Krueger, our DPI plant inspector. This Brazilian whitefly causes horrendous amounts of sooty mold, much like the RSWH. This newest whitefly, believed to…

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Role: Phosphorus is the second most essential mineral element required for plant growth.  Phosphorus is required for plant energy metabolism.  In addition, Phosphorus is an integral component of compounds found in plant cells such as sugar-phosphate intermediates of respiration and photosynthesis.  Phosphorus is also vital in the carbohydrate transport system which moves energy to all parts…

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Many questions concerning possible winter-kill to turfgrass always arise this time of the year. What Is Winter (Low Temperature) Kill? Low temperature or cold weather damage to plants is a collective term used to describe several forms of injury.  Death by cold is the consequence of damage to cell membranes and the breakdown of metabolism, primarily that…

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A fertilizer label can be confusing to the most veteran turf or nursery manager.  It is important though that you know what you’re buying since the analysis is just the starting point when considering what you are buying.  Some points to consider are the sources of nutrients, percentage of slow release, minor elements and sizing. …

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Adjuvants are intended to enhance the performance or handling characteristics of pest control products.  Proper adjuvant selection or in some cases exclusion can greatly impact the effectiveness of control products used for weed, insect, and disease management.  In addition, consistency of control from site to site can be increased when adjuvants are properly utilized. A number…

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Earlier this year Harrell’s ran the first annual Harrell’s Family Photo Contest with divisions and categories for Horticulture, Turf and LCO. We received many outstanding entries. Entrants were competing for the winning division purse of $100 and $25 for each category. We’re happy to announce the following winners: Horticulture Division Winner ($100) and Horticulture Production/Container Winner ($25) Horticulture Beauty/Nature…

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Seed manufacturers are required to do seed germination testing and publish the results of the “germ” tests on seed product labels.  However, when grass seed are stored, the seed germination may be affected depending on the length of time the seed are stored, as well as the environmental conditions of the storage area.  “Carry over”…

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