roses - Knowledgebase Question

Sun City, Ar
Avatar for lkb2000
Question by lkb2000
January 12, 2010
what does epsom salts do for roses. It says to use 2 talbs. per gallon of water per plant in Feb.

Answer from NGA
January 12, 2010
There is little research to prove conclusively that Epsom salts have any effect on plants, but many seasoned gardeners cite their own gardens as proof that Epsom salts help certain plants grow stronger and produce better.

Epsom salts contain hydrated magnesium sulfate, two elements crucial to plant growth. Sulfur (13%) is crucial to the inner workings of plants, but it is almost never lacking in the soil, thanks in part to synthetic fertilizers and acid rain. Magnesium (10%) can become scarce in soil, usually because of erosion or depletion of the top soil or a pH imbalance. In general, magnesium plays a role in strengthening the plant cell walls, allowing the plant to take in the nutrients it needs. It also aids in seed germination, photosynthesis and in the formation of fruits and seeds.

Rose growers are strong advocates for using Epsom salts. They claim it not only makes the foliage greener and more lush, it produces more canes and more roses. Since there is really no scientific evidence that applying Epsom salts to your roses will help - or harm - them, the choice is yours.

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