Selecting a fertilizer for a public or private garden depends on the types of plants being grown . Evergreen works have growing requirements that are unlike from other types of plants . Two major brands of evergreen fertilizer are Scotts and Vigoro , which contain much of the same ingredient . Climate and location affect evergreen , causing answer to vary . For equivalence , consider trying out each brand ; use one make a class until achieving the desired appearing .
History
Scotts Miracle - Gro distributes evergreen fertiliser for professional and home garden worldwide . Founded in 1868 by O.M. Scott from Ohio , the Scotts company produced premium seed for the U.S. agricultural diligence . During the twentieth century , the company made lawn grass ejaculate . A fusion in 1995 with Stern ’s Miracle - Gro bestow about the party ' name change to Scotts Miracle - Gro Co. in 2005 . Vigoro is a Canadian - establish companionship that markets fertiliser . have by United Industries , which produce pesticides and agricultural chemicals , Vigoro sells mostly to home and garden stores throughout North America .
How Fertilizers Work
fertiliser supplying require nutrients to the soil . Typical nutrients in evergreen plant food , for example , consist of atomic number 7 , phosphorus and potassium . Nitrogen deepens the foliage coloring material on evergreen plant , while phosphorus fortify beginning and encourages blooming . Potassium increases disease underground , induce growth and improves overall works health . Scotts evergreen fertilizer mixture into the topsoil and has a normal ratio of 11 parts nitrogen , 7 parts P and 7 contribution potassium . Vigoro fertiliser spikes deliver nutrients directly to the root system of evergreens with a formula proportion of 12 - 5 - 7 .
Application
Sprinkling plant food over the soil surface and act it into the top 1 to 3 inches of grunge helps spread nutrients in the fertilizer . Scotts evergreen plant food requires reapplication every two months during the plant life ’s grow season . Early April is the prime metre to commence fertilizing evergreens . terminate fertilization in July so new increment can harden before cool weather condition arrive . Vigoro evergreen fertilizer spike have a pre - measured amount of fertiliser infix into capsules , each of which has a slow - release formula that lasts for 12 calendar week , a distinctive grow season .
Considerations
Before fertilizing evergreen plants , go a grunge test to determine if the soil has sufficient level of nutrient and to stop for acidity . Evergreens favour acidulent soils , while alkaline - based soils leaching nutrients from the dirt . While some plants do n’t require fertilisation , if new growth appears dull or thin , think using it . A 3 - pound old bag of Scotts fertilizer covers an field of 165 square invertebrate foot . One computer software of Vigoro evergreen plant fertilizer spikes contains 15 capsule .
Products
Scotts offers a wide selection of evergreen plant foods . In gain to the dry purse evergreen fertilizer , Scotts also manufactures evergreen plant stiletto heel ; plant food for evergreen , flowering Sir Herbert Beerbohm Tree and shrubs ; and water - soluble plant intellectual nourishment for evergreen plant such as azalea , rhododendron and camellias . Vigoro produces evergreen plant spike for targeted impregnation of trees and bush . This Canadian - based company also provides two types of dry flora plant food — one for azalea , rhododendron and camellia and the other for trees , shrubs and evergreen plant plants .
