Beginner gardeners, high-heat areas, and anyone who hates replanting beds every few months. Not for: Deep shade gardeners or those who hate sticky fingers.

Rating: 5/5 Stars

In USDA Zone 6b, my petunias start their show in mid-April (if started indoors or bought as mature starts) and do not quit until the first hard frost in late October or early November . That is nearly seven months of continuous blooms. Unlike many annuals that take a "rest" in summer heat, petunias seem to hit their stride in July.

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Petunia Flowering Season May 2026

Beginner gardeners, high-heat areas, and anyone who hates replanting beds every few months. Not for: Deep shade gardeners or those who hate sticky fingers.

Rating: 5/5 Stars

In USDA Zone 6b, my petunias start their show in mid-April (if started indoors or bought as mature starts) and do not quit until the first hard frost in late October or early November . That is nearly seven months of continuous blooms. Unlike many annuals that take a "rest" in summer heat, petunias seem to hit their stride in July.