Society Meetings: 7:30 pm on fourth Mondays (except summer or holidays), Mounts Botanical Garden, 531 N. Military Trail, West Palm Beach OR online via Zoom. (Zoom link emailed to members before meetings.)

Upcoming Programs and Events


  • May 20, 2024 - GPBRS Meeting at Mounts Botanical Garden, 7:30 pm. Program: “Ask the Experts!” with ARS Master and Consulting Rosarians. Bring your questions!

  • July 2, 2024 - Public Rose Seminar by GPBRS at the West Boynton Beach Public Library. 2:00 pm. Topic: "Growing Roses in Florida" with ARS Consulting Rosarian, Denise Abruzzese.

  • September 23, 2024 - GPBRS Meeting at Mounts Botanical Garden, 7:30 pm. Program: "New Rose Sustainability Trials in South Florida" with Dr. Kimberly Anne Moore, Environmental Horticulturist, Associate Center Director and Professor. UF/IFAS, Ft. Lauderdale Research and Education Center.

  • October 11-13, 2024 - DEEP SOUTH DISTRICT FALL CONFERENCE & ROSE SHOW - Gainesville, FL. Hosted by the Gainesville and Marion County Rose Societies.

  • October 28, 2024 - GPBRS Meeting at Mounts Botanical Garden, 7:30 pm. Program: “Rose Propagation Class” with ARS Consulting Rosarian, Denise Abruzzese.

  • November 25, 2024 - GPBRS Meeting at Mounts Botanical Garden, 7:30 pm. Program: “Report from the American Rose Society's National Convention in Rhode Island” with ARS Master Consulting Rosarian, Mike Becker.

  • December 5, 2024 - SAVE THE DATE: GPBRS Holiday Party at Mounts Botanical Garden, Time: TBD night. Potluck with main dish provided by GPBRS. (No regular meeting due to holiday.)

    • Wilkinson’s South FL Rose Fertilizer Program

    Back in 2007, Ken Wilkinson shared his Rose Fertilizer program at a Rose Growing class in West Palm Beach. He had hand written his program, copied it and passed it out. Here it is, exactly as he wrote it back then. Back then, Ken and Debbie had about 90 some odd roses in their garden….

    Wilkinson’s Fertilizer Program

    • Milorganite: Every month. Everything in the ground and all roses in 25 gal. pots. 1 cup per bush (HTs, Floribundas, OGRs, Shrubs, Climbers, Mini-Floras). All mini’s in 10 gal. pots 1/2 cup.
    • Alfalfa Meal or Pellets: Every January and mid August. 1 cup per large bush and 1/2 cup per mini.
    • Bone Meal: Every January. 3/4 cup per large bush, 1/4 cup per mini.
    • Fish Meal: March and September. 3/4 cup per large bush, 1/4 cup per mini.
    • Black Cow (Composted Manure): Every February. 2 big shovels for each large bush, 1 shovel for each mini.
    • 12-6-8 Rose Special (chemical): May, June, July, August, December. 1/2 cup per large bush, 1/4 cup per mini.
    • Bloom Buster (12-55-6) or something similar and Fish Emulsion: March 1, 21, April 15, October 1, 21, November 15. Using 2 gal. watering can, 2 Tablespoons Bloom Buster, 2 Tablespoons Fish Emulsion. 2 gal. per large bush, 1 gal. per mini. Most of it right down the middle of each bush. Water all plants GOOD the day before using this.

    Used with permission.