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Q&A for How to Grow Hydrangea from Cuttings
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QuestionAre hydrangeas fast growing?This answer was written by one of our trained team of researchers who validated it for accuracy and comprehensiveness.wikiHow Staff EditorStaff AnswerHydrangeas are considered fast growing and can grow as much as 25 inches or more each year.
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QuestionWhere can hydrangeas grow?Community AnswerMost don't like very hot positions so direct south is best avoided. They are happy in a woodland setting or partially shaded area that receives sun either early or late in the day.
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QuestionWhen you say that cuttings from a flowering shoot will not have blooms, do you mean that it won't flower the first season or that it won't ever bloom?Community AnswerThey should flower when they grow more stems. The stem of a flowering cutting has already flowered and so is not as vigorous.
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QuestionDo I have to use a clear bag over a cutting?Community AnswerYes. It works to hold moisture in, especially if it covers the whole pot your cutting is in. The moisture evaporates in the heat of the day. Then, as outside temperatures cool, the moisture condenses and goes down the plastic and back into the soil. This method established a mini ecosystem and reduces the need for watering.
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QuestionCan the rooted cutting be planted outside where it will have sun for a full six hours?Community AnswerFull sun will burn the hydrangea. Morning sun is best with shade by noon and the rest of the day.
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QuestionHow do I keep a hydrangea colored blue?Community AnswerThere are some fertilizers that change the pH level. You can add more acidic fertilizer to change the color.
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QuestionI purchased hydrangea from a grocery store. Can I plant them outside?Community AnswerYes, you can, but you have to make sure that your soil is acidic enough. If it is not, there are supplements you can use to adjust that.
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QuestionCan I take a cutting home on the plane and wait a few days to plant it?Community AnswerYes. The best way to do this is to get a small empty plastic water bottle, make your cutting by removing all but the top leaf, and cut those in half. Push the cutting into the water bottle, leaf end first (this makes removing it easier). Pour a tiny amount of water into the bottle (1/8 teaspoon max) and replace the lid. Turn the bottle upright with the cap end at the bottom. The 100% humidity generated inside the bottle will keep your cutting firm and ready for when you return home.
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QuestionHow long can you keep the hydrangeas in the house (a sun room) before planting them? Will they be fine until spring if I am just now rooting them in August?Community AnswerOverwintering indoors is not advisable, since they are outdoor plants, and don't take to being indoors for an extended period. Cuttings are best taken in early summer so that plants are well established before winter, and then given a protected environment close to the house or other heated building, or the pots well covered in mulch for the winter.
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QuestionI planted a new oak leaf hydrangea. It was producing leaves from 4/5 limbs. My puppy chewed two of these limbs. Will my plant die?Community AnswerWait one season and see if it survives. If it looks dead, do the scratch test. Scratch a tiny spot of the bark. If it's green, there's still a chance! If brown, you would need to consider propagating a new piece.
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QuestionWhat is the mother plant?Community AnswerThe mother plant is just the established plant that you are using to take cuttings from.
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QuestionAre the hydrangeas bought in the store an annual plant, or are they all perennials?Community AnswerMost store bought hydrangeas that are in flower for Mother's Day are shrubs that can live outside for many years in zone 4-8, but depending on your location, the winters may kill the buds in colder areas and you may not get blooms.
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QuestionWhat is wrong if I tried the first method and when I checked on it, there was a lot of mold on it?Community AnswerMold usually indicates that there is too much water. You may have over watered your cutting or you did not have it in a warm enough place.
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QuestionWhy will my hydrangea not bloom? It's a big, beautiful bush, but has only bloomed once in 12 years.Community AnswerIt sounds like it's not receiving enough nutrients in the soil; you might want to add some hydrangea fertilizer.
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QuestionHow can I make sure my purple stays purple when I put it in the ground?Community AnswerDig a hole large enough for the hydrangea. Fill it with lime free compost. Putting some rusty nails in around it will help keep the flowers bluei/purple because it needs acidic soil to keep it blue. There are also colorants in hardware stores that can help.
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QuestionWhat makes multicolored flowers or dark-colored flowers?Community AnswerAluminum sulfate keeps blue hydrangeas blue and stops mauve ones from turning pink. The more you use, the darker the color. Also, I have had a multicolored result some years too.
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QuestionCan hydrangea cuttings survive a New England winter?Community AnswerSet up a pot indoors for the hydrangea cutting. They are unlikely to thrive in the cold.
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QuestionWill hydrangea grow in central Florida? Is there anything special that needs to be done for them?Community AnswerYes. Plant them on the north side of your house with soil that's been amended with peat moss.
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QuestionI have a leafless stem and it already has roots. If it is already planted, how long will it take to grow leaves?Community AnswerAbout two weeks if it likes the location.
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QuestionI put my the pot with my cuttings inside a bag. Even in the shade they are still wilting. What should I do?Community AnswerTry removing the bag, and mist water them slightly once a day for 3 days. There might be too much heat and not enough moisture in the bag to generate what the plant needs.
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QuestionCan I put new rooted plant in the ground in late September in zone 4b or should they stay in a pot indoors over winter?Community AnswerOverwintering indoors is not advisable, since they are outdoor plants, and don't take to being indoors for an extended period. Cuttings are best taken in early summer so that plants are well established before winter, and then given a protected environment close to the house or other heated building, or the pots well covered in mulch for the winter.
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QuestionCan I use the same planting method for a viburnum bush?Community AnswerYes. Take it as a hardwood cutting in winter, generally from leaf fall to new growth.
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QuestionMy white hydrangea has never blossomed. It is planted between a blue and a red hydrangea that blossom every year. Why doesn't it bloom?Community AnswerIf your white hydrangea is taller, it might be getting too much sun, but is giving shade to the other ones, or it gets the brunt of the snow or ice in winter but it protects the smaller ones from the same elements.
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QuestionWill my cuttings, after rooting, do well in reverse sun, meaning shade during morning hours through early afternoon and sun in later afternoon?Community AnswerYes, they will bloom beautifully. Mine are situated like that and they are glorious. You will experience some wilting if it's very hot in the sun, but it does not seem to harm the plants or blooms.
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QuestionHow do I take hardwood hydrangea cuttings?Community AnswerMost hardwood cuttings are taken during the hydrangea's rest time over the winter months--generally the period from leaf fall to when new growth starts in Spring. Take a healthy cutting about nine inches long, and strip the lower leaves, leaving only two or three. Select a sheltered position out of wind and strong sun, and push the cutting into firm soil to hold it in the ground. If the weather is unusually dry, water regularly.
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QuestionCan the dried flowers be removed after blooming?Community AnswerYes, it is best to prune your plant right after flowers have finished blooming to encourage more blooms the next season.
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QuestionWhat will happen if I take the cutting from somewhere other than the mother plant?Community AnswerThe mother plant is whatever plant you take it from, so that would be impossible.
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QuestionIs there a way to root branches from a blueberry bush?Community AnswerTake cuttings and immerse in water immediately, then plant in potting soil. Grew 8 successful plants last year in my greenhouse, they were 2' tall by spring.
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QuestionWhen is the best time to plant?Community AnswerDepending on your location, early spring is the best time to plant.
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QuestionIs it possible to grow hydrangeas in hydroponic greenhouse? Where can I buy hydrangea shrubs (plants) for cultivating in a greenhouse in large volume?Community AnswerHydrangeas you buy from the store have roots established in soil, not water. Plants in soil have thick, robust roots. Plants in water have thin hairlike roots. In order to get Hydrangeas to grow hydroponically you need to start them as cuttings in the hydroponic system.
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