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zakruti.com » Do it Yourself - Handmade » Northlawn Flower Farm
How to Grow Dahlias - From Tubers to Gorgeous Blooms - A Complete Guide

How to Grow Dahlias - From Tubers to Gorgeous Blooms - A Complete Guide

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Dahlias can be grown in hardiness zones 3-11, and in zones 8-11 the tubers may be left in the ground year-round. They are sold as single tubers or a clump of tubers around a stem. Tubers will look vastly different depending on variety, so don't worry about the size or shape of your tuber, these factors don-t determine the plants success. Dahlias should not be planted outdoors until after all danger of frost has passed and the soil has warmed to 60 degrees F. If you garden in a cold climate, you can get your dahlias tubers started 4-6 weeks early by planting them in pots -- either indoors or in a greenhouse. For more information on starting Dahlias inside visit Dahlias need full sun and loose, rich, well-draining soil. Before planting, add a generous 2-3 inch layer of compost into the bed. Next, dig a hole that is 4-6 inches deep and place the tuber in the hole with the eye of the tuber facing upwards, and then cover it with soil. If you're growing a dahlia variety that will be more than 3 feet tall, the plants should be staked at planting time to support the stems and flowers as they grow. Place a strong 5-6 foot stake near the tuber, and as the plant grows, use twine to tie the stems to the stake every 12-18 inches. Don't water the tubers upon planting. Since the tubers have no roots at this time, watering immediately after planting can cause the tubers to rot before they are able to sprout and grow roots. It-s fine if it rains, but no additional watering is necessary until you see the green sprouts emerge from the ground. Depending on the variety and growing conditions, it can take a few weeks to a full month for a tuber to sprout. Once you see green growth emerge, you can start to water your dahlias. Give them a weekly soak of 1-2 inches of water if the weather does not provide it naturally. In the extreme heat of summer biweekly watering may be necessary. Watering needs will vary based on location, weather, and soil. Pinch your dahlias to encourage more branching and therefore more blooms. Once the plants have 3-4 sets of leaves, snip the top of the plant off right above a set of leaves. This pinch will cause the plant to send up multiple stems from below the cut, which will result in more flowering stems and a bushier plant. Keep your Dahlias producing loads of flowers by deadheading spent blooms regularly, or cut bunches of blooms to bring inside and enjoy. Dahlias are truly a cut and come again flower. The more you cut the more they come! Thanks for watching! Please subscribe to my channel for more flower fun!
Date: 2022-08-07

Comments and reviews: 20


I have some questions if anyone has any suggestions. First, this video is AMAZING! I-ve been researching for months and this was the most informative and concise video I-ve seen! Thank you for that!
Now for questions. We are in zone 8a which means they can stay in the ground during winter. Would this be true even in a raised bed, or would they need to actually be IN the ground?
Second, can ANYONE recommend insect/pest control for these and other cut flowers? It-s swampy here so we have LOTS of bugs! I would like something organic as we have kiddos who play outside and we have tons of bees and birds. I need something for ants, snails, caterpillars, and whatever else might be snacking on the leaves of sunflowers, zinnias, and dahlias.

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Thanks for a great video Danielle! I enjoy learning from you and this was an especially helpful video for me as this is the first year I have attempted to grow dahlias. I live in zone 7b and I am going to try to keep mine in the ground over the winter. I plan to mulch with pine straw very heavily to help them survive. Do you have a particular company you buy your tubers from?
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My dahlias produce so many stems that tying up the main stem is completely inadequate. The side stems fall over and break off. I really need an attractive way to hold up these stems. Does anybody have any good ideas? I have been using twine but that doesn-t look attractive and I have to be in the garden every week or two to tie them up a little higher.
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This was the most comprehensive informative video on Dahlia's I've ever seen, and being a newbie to those, I've watched a ton. You also go above and beyond thinking of every aspect of a flower/gardening. I'm also really interested in propagating Dahlias, if you've done that before I'd love to watch that too. Your garden is always just beautiful.
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I was having a heck of a time getting a good looking blossom from my grand prix dahlia this year. The bugs would eat away at it before it would even open. I noticed you mentioned you use organza bags to help with this issue to another commenter awhile back and I just wanted to say it has done the trick, thank you!
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This was my first year and staking was definitely a problem. Can you pinch too early? Some of my stalks were so thick I wondered if I pinched them too early. Ready to try again next year and hope for better results. Also I didn't have as much sun in the area as I thought I would, I may need to find a new spot in the garden.
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I love you teaching style. Thanks for this video. I tried to put a few stakes in and string between the dahlias. My string system starting failing two weeks ago and I lost a large part of my cafe au lait. Will you follow it up with one when you store your dahlias? Do you prune your side shoots for longer stems?
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I tried some small ones for the first time this year. A few weeks ago I found some were damaged, so I cut them and brought them in, put them in water. I think roots might be growing. I-ve seen others start dahlias from cuttings, but don-t know anything about it myself. Any pointers?
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I-m in zone 8b in the Willamette Valley of Oregon. We get tons of rain all winter and have clay soil. I have been wondering if I need to dig up my dahlias so they don-t rot. This is my first year growing them. Love them! Thanks for the informative video! I do appreciate you!
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HELP! IM NEW TO DAHLIA GROWING AND STORING. I dug dahlias 110 days ago and checked today and one is very shriveled, i forgot to check sooner, anyway do i soak the tuber or just lightly mist and then store. I plan to wrap in newspaper. Thank you for any tips! Teresa
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My first year planting Dahlias here in IL 5b, and so sad they are only just beginning to bloom now in Sept. The nights are already getting cold. I will have to try starting them in pots ahead of time next year. I planted the first week of June. Thanks for the tips.
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Danielle I have a question for you! I can never find any stakes strong enough at my local gardens center. I have wooden ones and they just don-t seem to stay in the ground properly enough. Are there any that I can order online that you recommend?
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Wonderful video as always, Danielle! What type of medium do you store your Dahlia tubers in over the winter? I am in zone 6b and I stored mine last year in straw. I misted them once a month but still lost most of them to desiccation. Thank you!
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I live in zone 7b and planted seed dahlias. I left my dahlias in the ground all winter, and they came back this spring and are still blooming! I plan to plant dahlia tubers next spring. Thanks for this wonderful video, Danielle!
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Thanks to your tutorial I may have determined what I have been doing wrong - over watering when first planted! I never knew to wait until green growth appears. Hopefully this will help me this upcoming year. Thanks again!
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i got my potted dahlias two months ago, all the flowers bloomed but now the leaves seemed like it shrunk and a little brown, it-s sad looking. no buds or flowers. any suggestions? i-m in california zone 9.
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Thank you for a very thorough video. I am in southern Wisconsin and pot mine up in April to get earlier blooms. We had a dry summer so I'm glad that I watered deeply and am enjoying many blooms still.
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My 1st Dahlia from seed finally bloomed!
WHITE SINGLE WITH YELLOW MIDDLE!
I had to cut before the grasshoppers devoured it!
I have 6 more and waiting on the 2nd plant to bloom

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Awesome tutorial. I love your phase of talking, it-s so pleasant to listen to. And there-s a whole lot of great information in such a short time. I learned a lot thanks.
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Which dahlias would you recommend for profusion of blooms and long bloom season? Also, can you please tell the name of the pink dahlias behind you in this video -2. 17?
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