Discover the symbolism behind hydrangeas, little-known facts, and why you should never eat the colorful blooms.

From wedding bouquets to flower beds, hydrangeas are everywhere.

One glance and its easy to see why we all love the candy-colored flowers of hydrangeas so much.

blooming purple hydrangeas

Credit: Kritsada Panichgul

The giant clusters of flowers grace landscapes around the world.

There areover 75 different kinds of hydrangeas, with more gorgeous varieties coming out every year.

Coast to coast, gardeners pretty much everywhere (except for really hot regions) can enjoy them.

And in fact, hydrangeas need lots of water to thrive.

Hydrangea Symbolism

The symbolism behind the hydrangea flower differs with culture and time period.

Each hydrangea color also has ameaning behind it:

3.

Onevery popular variety of smooth hydrangea called Annabellewas evendiscovered in 1910 by a woman named Harriet Kirkpatrick.

Hydrangeas Are Poisonous

Hydrangeas areextremely poisonous.

The more acidic the soil, thebluer your hydrangeas will turn out.

The more alkaline, thepinker your hydrangeaswill be.

Science for the win!

Hydrangea Day

People love this plant so much, theres a day dedicated to it!

Hydrangea Day is January 5.

However, the flowers are out of season at that time of year.

Allergy Safe Flowers

Hydrangeas are unique because they have super sticky pollen.

That makes it difficult for wind to blow the pollen around, making these flowers perfect for allergy-prone gardeners.

No Petals

It may look like hydrangeas have tons of petals, but theyre actually called sepals.

Sepals are small leaves that protect the flower bud.

They usually start out green andturn into the rich pinks, purples, and bluesthat grab our attention.