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


  • February 24, 2025 - GPBRS Meeting at Mounts Botanical Garden, 7:30 pm. Program: “Fertilization Methods for South Florida Roses” with Denise Abruzzese.

  • February 28 through March 2, 2025 - Deep South District Mid-Winter Meeting, “Roses In Paradise”. Best Western Gateway Grand Hotel, Gainesville, FL. Vendors: Angel Gardens, Nelson’s Southern Roses, Jim’s Purely Organic.

  • March 24, 2025 - GPBRS Meeting at Mounts Botanical Garden, 7:30 pm. Program: “Floral Arranging” with Mariana Symecko.

  • April 5, 2025 - GPBRS Rambling Rose Tour, ) Time: 10 am - 1:30 pm. Tickets via Eventbrite, GPBRS meetings or on the Tour. Advance: $15. Day of Event: $20. Children 16 & under are free. See fabulous private rose gardens in Lake Worth and Wellington.

  • 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. Spring Plant Sale Info

    • 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.