Rose experts, or Rosarians, are now applying fertilizers and organic pest control products to their roses. Some are also renewing the soil with compost and applying surface mulch.
What is hot right now with rose growers is a conventional fertilizer such as Rose Gro (4-12-4) which is made from ammonium sulfate, ammonium phosphate and potassium sulfate. All of the nitrogen (4%) is quick release, giving roses a nitrogen pick-me-up. Phosphorus is 12% encouraging more flowers and flowers that are larger.
About 1/4 cup of fertilizer (two handfuls) is applied near the base of roses but 12 inches from the main stem and watered in.
Compost as a Fertilizer
You can also use compost to add nutrients to the soil. Technically compost is not regarded as a fertilizer even though it contains alot of plant nutrients. No one denies that good compost contains fertilizer but to be classified as a fertilizer under state laws, the amount of fertilizer contained in the bag must be guaranteed. A guaranteed analysis. The fertilizer content in compost can vary so it is difficult to guarantee the exact amount of nitrogen, phosphorus and potassium. The best we can do is under state laws is call compost a soil amendment.
Yellowing of Roses
An important ingredient in any fertilizer application for roses growing in desert soils is iron. Iron chlorosis, or yellowing due to a lack of iron, is a common problem with roses growing in the desert. This can be prevented with an early spring application of an iron fertilizer. Selecting the right iron
fertilizer is important because not all iron fertilizers will be effective in different soils. The iron product that gives consistent
Preventing Insect Problems
An organic approach toward preventing pest problems this coming year is applying a dormant oil spray to roses. These oils are "mineral oils" that do not harm plants or animal life other than bugs and small vermin. Oils are mixed with water and sprayed over the entire rose shrub on a warm, windless day to smother overwintering insects that are ready to attack roses the minute they see new growth. Helps reduce damage to roses from aphids, spider mites and scale insects.
Viragrow Delivers!
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| Rose Gro Fertilizer 4-12-4 10 lb $7.9Fertilizers for Roses |
What is hot right now with rose growers is a conventional fertilizer such as Rose Gro (4-12-4) which is made from ammonium sulfate, ammonium phosphate and potassium sulfate. All of the nitrogen (4%) is quick release, giving roses a nitrogen pick-me-up. Phosphorus is 12% encouraging more flowers and flowers that are larger.
About 1/4 cup of fertilizer (two handfuls) is applied near the base of roses but 12 inches from the main stem and watered in.
Compost as a Fertilizer
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| Viragrow compost 1 cubic foot $1.60 |
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| Iron chelate EDDHA stays stable in all soils 1 lb $14 5 lb $58 |
An important ingredient in any fertilizer application for roses growing in desert soils is iron. Iron chlorosis, or yellowing due to a lack of iron, is a common problem with roses growing in the desert. This can be prevented with an early spring application of an iron fertilizer. Selecting the right iron
fertilizer is important because not all iron fertilizers will be effective in different soils. The iron product that gives consistent
Preventing Insect Problems
 |
| Horticultural oil for controlling pests safely |
Viragrow Delivers!
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