Spraying Roses and Systemic Suggestions

“Do you have any suggestions for spraying roses?  Thanks, L.”


Here is an annual schedule of how to take care of your roses:


(A) Check moisture content of soil (southern U.S. dry season)

(B) Make plans to enlarge rose bed

(C) Order new roses

(D) Check spray supplies (purchase no more than you can use in 2 seasons)

Late February to April : (Depending upon weather conditions in your growing area)

(A) Rake back mulch from rose bushes

(B) Select Best Canes (5 to 6){depends upon rose variety} and prune to 30″ (leave yellow & less vigorous varieties 36″ tall – certain shrubs & old garden roses maybe left 48″ or more)

(C) Remove old, weak, dead canes.

(D) Seal all pruning cuts with glue or pruning compound.

(E) Remove all dead and dying leaves from bush and ground

(F) Scratch into the soil around each established plant:

1/2 cup blood meal, 1/2 cup super-phosphate, 1/4 cup Epson salts

[1 cup of lime, if not applied in December]

(G) Apply generous quantity of water

(H) ***Don’t remove mounds of soil until April if you have hilled up your rose bushes; then carefully wash away soil with garden hose

(I) Spray with insect/disease spray; cover ground and canes to dripping stage.


(A) Begin spray program for disease when new leaf growth begins and continue until killing frost in Fall..( Type of spray program will depend upon rose varieties ).

Late March: Apply: (A) 1 cup of 10-10-10 to soil around each established bush

(B) Controlled release fertilizer (BloomKote) maybe applied in place of

10-10-10 ( follow package directions for amount ).

(C) 4 to 5 shovels of manure around each established plant

(D) generous quantity of water

Early April:

(A) Pull back mulch – Apply around each established plant – and scratch into soil:

2 cups of Mill’s Magic Mix

1/2 cup gypsum, and 1 tablespoon chelated iron (Fe330)

*******  Allow 2 weeks between each application of fertilizer  *******

(B) Spray bushes, especially Buds, for insects if present


Liquid feedyour established rose plants. Continue to liquid feed your new own-root roses once per month (don’t apply granular fertilizer to first year plants or container plants)

Late April:

Apply 1 cup 10-10-10 around each established bush, then water


Enjoy your Spring Roses (cut roses only off established plants, 2 years old or older) Cut to a 5 leaflet to encourage new buds.

Late May:

(A) Apply 1 cup 10-10-10 around each bush and water

May & July

(A) Continue spray program for disease

(B) Spray for insects only when needed

(C) Spray for spider mites as needed…water wash plants weekly

(D) Apply monthly feeding of 1 cup 10-10-10 per established plant

(F) Liquid feed your established rose plants once per month.

(G) Water weekly if less than 1″ of rain


(A) Apply additional mulch to conserve moisture (optional)

(B) Liquid feed each bush with 1 tablespoon of Mill’s Easy feed, 1 tablespoon chelated iron, 1 tablespoon Epson Salts per gallon

of water.

(C) Apply monthly feeding of 1 cup 10-10-10 per established plant


(A) Apply another gallon of Liquid feed per bush: 1 tablespoon of Mill’s Easy Feed, 1 tablespoon chelated iron, 1 tablespoon Epson Salts

per gallon of water.

(B) Apply & scratch into soil.. 2 cups of Mill’s Easy Rose Mix.


(A) Apply monthly feeding of 1 cup 10-10-10 per established plant.


(A) Do not apply any other fertilizer until late March–allow bushes to harden

off for better winter protection.

(B) Continue Spray program

(C) Continue weekly watering


(A) Continue spray program – until killing frost or freeze in your area.

(B) Water weekly if needed


Send soil samples to your local university extension or other laboratory in your area to test soil pH.

October to December:

(A) When dormant, prune back bushes (leave 4 ft. tall) (reduces winter wind damage)

(B) Remove diseased leaves and debris

(C) Spray ground and bushes with Dormant Spray or with Insect/Disease Spray.

(D) Add lime according to soil test specifications or 1 cup per established bush.

(E) Hill up roses with 8 inches of soil if needed for winter protection…



© Mertie Mae Botanics LLC and Horticulture Talk!, 2010. Unauthorized use and/or duplication of this material without express and written permission from this blog’s author and/or owner is strictly prohibited. Excerpts and links may be used, provided that full and clear credit is given to Mertie Mae Botanics LLC and Horticulture Talk! with appropriate and specific direction to the original content.


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