Potted hydrangeasadd a burst of spring color to your winter and former spring arrangements . The florist hydrangea ( Hydrangea macrophylla ) , which grows in U.S. Department of Agriculture plant hardiness zones 5 through 11 , is the variety ordinarily grown indoors . Although you’re able to transfer these hydrangeas out of doors after they stop blooming , it ’s also potential to force them into bloom a second time as a potted plant life . Reblooming hydrangea ask right pruning and care , along with a hibernating time period , to raise attractive flowers .
Step 1
Cut back the hydrangea after the last blooms wilt and die . Trim each stem so only the bottom two sets of leaves or leaf bud remain on the stem , using clean pruning shear .
Step 2
Mix together equal parts pot soil and peat moss . Fill a pot one size larger than the old container with the grunge intermixture . plagiarize the hydrangea out of the old pot , and brush off as much of the old soil as potential . Replant it into the new container at the same profundity it was growing at previously .
Step 3
Set the pot in a location that receives all - day sunlight . Move the plant outdoors after all frost danger has return in spring , and place it so the hydrangea receives full morning sun and light afternoon nuance .
Step 4
irrigate the hydrangea when the top 1 inch of soil set about to palpate teetotal . leave the excess water to drain from the sight . Dilute 1/2 teaspoon of 24 - 8 - 16 fertiliser in 1 gal of water , and irrigate with the fertilizer solution every two weeks .
Step 5
filch back the stems to the upmost leafage at four - week intervals beginning when you repot and persist in until early July . cut back the hydrangea so it only has three or four main stems if you want with child blossom clump . move out the Department of the Interior stem back to their substructure and leave alone the exterior staunch to grow on .
Step 6
Bring the pot indoors in capitulation before the first hoar . Continue to water the ground as needed until the beginning of November , then remove any remaining leaf on the plant . Move the hydrangea to a night , 35 to 40 point Fahrenheit location and stop all watering for six weeks .
Step 7
Move the hydrangea out of storage at the end of the dormancy period . Supply it with all - day sunlight , and take up regular lachrymation and fecundation . Hydrangeas typically start to flower within four months after sleeping memory .
Tip
Soil sourness determine blossom coloring material . For blue flowers , mix 7 teaspoons of Al sulphate with a dry quart of water , and irrigate the hydrangea with the result every 10 days from midsummer until depot . Make four more diligence of the solution at 10 - day intervals after storage . For pinkish flowers , immix 2/3 teaspoon of hydrated lime in a dry quart of water , and water the hydrangea with this solvent weekly .
Warning
hydrangea are extremely toxic if take , and the works may also cause pocket-size cutis innervation .
Things Needed
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