Stem cuttings render the most reliable method acting of propagating hydrangeas , including common species such as the panicle or pee - gee hydrangea . The panicle hydrangea ( Hydrangea paniculata ) grows dependable in USDA plant hardiness zone 4a to 8b , where it is prise for its showy blossom and tidy , just outgrowth habit .
Cutting - broadcast panicle hydrangeas grow cursorily and will produce a few flowers the year after rooting , but it will take several years for the shrub to reach maximum blooming .
Gathering Panicle Hydrangea Cuttings
Gathering the right type of make out at the right time of twelvemonth make a remainder when it comes to propagate panicle hydrangea cuttings at plate . Panicle hydrangea root easily from * * softwood cutting , * * so it is ideal to gather the cuttings inspringafter the shrub shows new growing .
Tip
Gather hydrangea cuttings in the morning when the conditions is coolheaded and dampish and the works is fully hydrous .
Potting Panicle Hydrangea Cuttings
The easiest mode of rout panicle hydrangea cut is to prepare a disjoined pot for each cutting instead of pot up multiple cuttings in each pot . practice 1 - gallon nursery pots with multiple drain cakehole at the foot and a sterile , porous pot mixture of 1/2 perlite and 1/2 sand .
1 . Remove all of the leaves from along the lower half of the cutting to expose the node , which is where the root will take shape . 2 . Remove 2/3 of all the parting from each cutting and cut in half any large leaves that stay . This will facilitate limit wet loss in the clipping as it root . 3 . wedge the bottom one-half of the press clipping into the potting mixture so that the bottom exercise set of leaves is just above the Earth’s surface . Press the mixture against the stem to increase contact between the stem and the soil .
Optionally , dip the cut in rooting endocrine before potting them to amend and accelerate root .

Rooting Panicle Hydrangea Cuttings
Warmth , light and moisture all play a part in rooting cutting . Although panicle hydrangea cuttings root eagerly without any exceptional coddling , cater the right condition will help the process go more speedily and easily .
Warning
Do not root cuttings taken from trademarked or patent plant — these are protect by law and can not be propagated without license .
- fondness :* * affectionate conditions promote better settle in softwood cuttings . Rooting your cuttings indoors will facilitate keep the cuttings warm , but a sheltered location alfresco can also render the right-hand condition .
If temperatures are very parky , conceive set the spate on a propagation mat to warm the soil commixture .
- Light :* * Panicle hydrangea need bright light to successfully root but unmediated sunlight can make the cutting to droop or dry out out before they take root . opt a rout location with bright , indirect sunlight such as indoors near a lightly shaded windowpane or outside under a sheltered porch .
- wet :* * make a mini - nursery by stick around a barbecue skewer into the soil on either side of the carving and covering the spate with a large , clear plastic dish so that it rest against the skewer , not the cutting . Cut a 1 - inch slit into the plastic to release excess moisture .
Keep the potting commixture moist and the film editing will root in two to eight weeks .
jerk on the cutting very gently to determine if it is " stuck " by its developing roots , then transplant it into a container fill with potting ground once the source grow to 1/2 - inch in length . Grow the stock-still cutting under baby’s room conditions and transplant it into the garden the following yr .