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Tropical Plants Can Thrive in Pa. Summers — Not Year‑Round

Many tropical species thrive during hot, humid Pennsylvania summers, but cold winters keep some, like bougainvillea, bromeliads and citrus, from surviving outdoors year-round.

Published May 21, 2026, 6:08 AM EDT | LehighValleyLive

Warming climate aside, we still can’t come close to being able to grow bougainvilleas, bromeliads and citrus trees outside year-round in Pennsylvania.