Zinnias: How to Plant, Grow, and Care for Zinnia Flowers | The Old Farmer's Almanac

Zinnias: How to Plant, Grow, and Care for Zinnia Flowers | The Old Farmer's Almanac: Zinnias are one of the easiest plants to grow, as they grow quickly and bloom heavily. Zinnia flowers make a massive burst of color in your garden, and they attract butterflies.