Greenhouse Hydrangea With Blue Flowers Forming

Potted hydrangea blue pink

At Home Depot I spotted a table with small hydrangeas for sale. I call it a “greenhouse” hydrangea because I imagine that is where it came from. The price was around $12 as I recall, so I bought one. Now I know these are not like the hydrangea plants I purchased in New Hampshire to plant in my northern yard.

The tag on this one said it “likes cool nights” and it’s climate preference is 50-70 F. That’s what “cool” is in Florida. It’s also listed as a Houseplant. This plant obviously can’t take wintering in a dormant stage over several months. Growing hydrangeas this way is new to me.

hydrangea plant with buds
New hydrangea plant

I’ve kept my new potted hydrangea in the original pot outdoors in my front yard garden which gets no direct sun, but a lot of light. Night temperatures have been in the 40’s and 50’s recently (March) and it’s still doing fine. I water it often and a new bud is forming. We’ve had a mild winter.

green flower buds hydrangea
Hydrangea buds are green

This winter I had hoped to begin a new front yard garden. The government wants a lot of my money in taxes, so that may have to wait. I would love to get this plant into the ground and see what happens.

hydrangea buds in purple and green
Hydrangea buds go from green to yellow and then purple with blue

As you can see in my time-progression photos the buds turned purple and then a lovely blue.

purple hydrangea flowers
From green to yellow and purple flowers

One day I noticed the blooms were drooping. I gave it a big drink, and it came right back. My hydrangeas in New Hampshire used to do that a lot. Usually if they had too much afternoon sun they would droop. But hydrangeas are resilient and they bounce back quickly.

Blue hydrangea flowers on small greenhouse plant
Flowers have turned more blue

This hydrangea is my experiment in growing hydrangeas outdoors in Florida. I have no desire to keep it inside. I’d love to see it thrive in a shady spot outdoors. For now it will remain in the pot where I can enjoy the flowers just outside my front door. Perhaps it will adjust to life as a hydrangea is meant to live – well, sort of. Florida is not a normal climate, but that may appeal to this hothouse plant which was never meant to survive a true winter.

Greenhouse hydrangea with purple and blue flowers

Hydrangeas tend to need a lot of water, and especially so if they are grown in pots. I’ve been watering this one nearly every day and it gets no direct sunlight. The little buds have turned into pink blossoms. I look forward to seeing how these flowers change color as they age and dry out.

Blue, purple and pink hydrangea flowers on one plant.
Blue hydrangea flowers are beginning to turn green
Flowers are fading to green

At the beginning of May I planted my hydrangea in the garden. The blooms have changed from blue to light green (which is normal) and they are beautiful. I have to water this plant every day, but it gets no direct sun. We’ll see how it does with the summer heat in this climate.

hydrangea
My blue hydrangea flowers have turned green

Read more about The Gift Hydrangea at the Plant Addicts site where people have kept their greenhouse plants outside and alive for years. Those people also live in the southern part of the US.

7 thoughts on “Greenhouse Hydrangea With Blue Flowers Forming

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  4. cindy d

    I also just bought a potted hydrangea. I have placed it outside my apartment door in Florida. I’m worried however that it is going to get too much. The sun really is hot in that spot.
    Do you think it will survive?
    Or do I move it indoors?
    Thank you
    Your flowers are beautiful !!

    Like

    1. Pam

      Hi Cindy, I know the sun is deadly here and my hydrangea is planted outside but under a thick shrub. It gets no direct sun at all. If you don’t have a shady spot outside I would say bring it indoors. Even in NH, where I used to live, my hydrangeas would wilt in the sun! The potted hydrangeas we buy in Florida are meant to live inside, so yours should do very well indoors. If you have a hot area, like a porch, but without the sun, keep it there. I’m still learning too! Best of luck and thanks so much for reading. I’d love to hear how it goes with your hydrangea.

      Like

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