This month the Queens Botanical Garden is celebrating the completion of the Sustainable Landscapes & Buildings project, Phase I of the Queens Botanical Garden master plan.

This includes an 8000 square feet greenroof on the visitor's center. It has been planted with a wide variety of primarily native plant species. Visitors can walk up to the roof and see it, along with having a great view of the gardens.

The Brooklyn Botanic Garden will host its annual Chile Pepper Fiesta on Sunday, featuring music from chili loving regions like Mexico and Louisiana. Films, and cooking demos and art classes from kids are part of the celebration.

Chelsea Garden Center is taking 25 percent off teak furniture, shrubs, and pottery; an eight-inch mum is now $7.96.
When: 10/1-10/31; call for hours.
Where: 580 Eleventh Ave., at 44th St. (212-727-7100) and 444 Van Brunt St., nr. Reed St., Red Hook, Brooklyn (718-875-2100).