Society Meetings: 7:00 pm social time, program starts at 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


  • April 26 & 27, 2025 - Plant-a-Palooza Spring Plant Sale at Mounts Botanical Gardens. Admission: Adults $20, Senior, Military or College Students is $18. Saturday: open to public 9 am - 4 pm; Sunday: open to public 9 am to 3 pm.

  • May 19, 2025 - GPBRS Meeting at Mounts Botanical Garden, 7:30 pm. Program: "PERFUME: The Story of Rose and Other Fragrances" with Master Rosarian, Mike Becker. Enjoy a fun-filled evening and indulge in the fragrances of time.

  • June TBD, 2025 - Roses at the Norton Museum of Art. Location: 1450 S Dixie Hwy, West Palm Beach. Docent guided tour of roses in art. Time: TBD. Cost: TBD. Lunch afterward at the Cafe. Fun social event!

  • Summer Break - no general meetings

  • September 22, 2025 - GPBRS Meeting at Mounts Botanical Garden, 7:30 pm. Program: TBD.

  • October 27, 2025 - GPBRS Meeting at Mounts Botanical Garden, 7:30 pm. Program: Building the Soil for Roses Composting 101.

  • November 1 & 2, 2025 - Plant-a-Palooza Fall Plant Sale at Mounts Botanical Gardens. Admission: Adults $20, Senior, Military or College Students is $18. Saturday: open to public 9 am - 4 pm; Sunday: open to public 9 am to 3 pm.

    • 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.