The Main Plant entry for Dahlias (Dahlia)

This database entry exists to show plant data and photos that apply generically to all Dahlias.

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Flowers: Showy
Resistances: Deer Resistant
Propagation: Seeds: Can handle transplanting
Propagation: Other methods: Cuttings: Leaf
Division
Other: Propagate by taking cuttings of newly emerged shoots
Containers: Suitable in 3 gallon or larger

#pollination

Photo gallery:
Location: central IllinoisDate: 10-11-11#pollination
By jmorth
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Location: Philo, CaliforniaDate: 2014-07-15Brilliant color . Photo of Lynette is untouched.
By janwax
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Location: central IllinoisDate: 10-3-12
By jmorth
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By Calif_Sue
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Location: central IllinoisDate: 2014-11-06
By jmorth
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Location: Smith College Botanical GardenDate: 2011-08-02
By eclayne
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Location: Lindisfarne Dahlia Show-TasmaniaDate: aprilFloral Art
By gwhizz
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Location: central IllinoisDate: 2009-08-13
By jmorth
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Location: central IllinoisDate: August 2009
By jmorth
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Location: central IllinoisDate: summer '06
By jmorth
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Date: 2011-05-28
By Calif_Sue
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Date: 2003-09-14OLYMPUS DIGITAL CAMERA
By bumplbea
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Date: 2003-09-14OLYMPUS DIGITAL CAMERA
By bumplbea
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Location: Lindisfarne Show-TasmaniaDate: aprildahlia
By gwhizz
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Date: 2008-07-27
By Calif_Sue
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By Calif_Sue
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Location: Tacoma, WADate: 2010-09-25
By SongofJoy
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Location: Indiana  Zone 5Date: 2012-08-06bedding dahlia
By gardengus
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Location: My garden in Gent, BelgiumDate: 2010-05-02
By bonitin
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Date: 2013-06-29
By Paul2032
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By CDsSister
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Location: Philo, CaliforniaDate: 2014-07-15Gitts Perfection
By janwax
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Location: central IllinoisDate: 10-26-12
By jmorth
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Location: central IllinoisDate: 2014-10-27Moth is a Yellow Collared Beet Moth
By jmorth
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Date: 2015-09-18
By Paul2032
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Location: Zone 5Date: 2011-10-12
By Fleur569
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Date: 2015-09-26
By Paul2032
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Date: 2012-07-05
By Paul2032
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Date: 2015-09-18Dahlia Apopa Sky
By Paul2032
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Date: 2006-08-07
By bumplbea
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Date: 2003-09-14OLYMPUS DIGITAL CAMERA
By bumplbea
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Location: my garden, Gent, BelgiumDate: 2011-08-10wild specie Dahlia, thank you Janet! :)
By bonitin
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Location: Lindisfarne- TasmaniaDate: AprilMens Floral Art-
By gwhizz
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Location: central IllinoisDate: summer 2006
By jmorth
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Date: 2015-09-26
By Paul2032
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Date: 2015-09-26
By Paul2032
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Date: 2015-09-18Tahoma April
By Paul2032
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Date: 2015-09-18
By Paul2032
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Date: 2015-09-18Dahlia New Dimension
By Paul2032
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Location: Peterborough, ON, CanadaDate: 2015-10-12end of season generic white dahlia from window box planter
By linjarvis
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By Samlav
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Location: My gardenOLYMPUS DIGITAL CAMERA
By bumplbea
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Location: So califDate: 2018-07-15
By shalyn
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Location: my garden, Gent, BelgiumDate: 2009-07-12wild specie Dahlia, thank you Janet! :)
By bonitin
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Date: 2009-07-04wild specie Dahlia, thank you Janet! :)
By bonitin
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Location: my garden, Gent, BelgiumDate: 2009-06-18wild specie Dahlia, thank you Janet! :)
By bonitin
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Location: central IllinoisDate: fall 2006
By jmorth
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Location: Lindisfarne Dahlia Show- TasmaniaDate: 24-3-2011Open Dahlia Floral Art
By gwhizz
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Date: 2012-07-28
By Calif_Sue
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Location: Potohar, Punjab.Date: 2012-07-16
By KAMasud
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Location: MOBOT -   St LouisDate: summer 2006
By jmorth
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Location: central IllinoisDate: 2005-10-20
By jmorth
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Location: Indiana zone 5Date: 2014-05-06
By gardengus
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Date: 2015-09-10
By Paul2032
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Date: 2015-09-14
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Date: 2015-09-14
By Paul2032
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Date: 2015-09-18
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Date: 2015-09-18
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Date: 2015-09-18
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Date: 2015-09-26
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Date: 2015-09-26
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Location: Zone 5Date: 2012-09-22
By Fleur569
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Date: 2015-09-26
By Paul2032
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Date: 2015-09-26
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Date: 2015-09-18
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Date: 2015-09-18
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Date: 2015-09-18
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Date: 2015-09-18
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By Oberon46
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By Rose1656
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Location: My garden, Ghent, BelgiumDate: 2010-06-30Wild species Dahlia
By bonitin
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Location: My garden in Warrenville, SCDate: Fall 2013
By scflowers
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Location: My garden in Warrenville, SCDate: Fall 2014
By scflowers
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Location: Launceston, Tasmania, AustraliaDate: 2017-01-5Taken in the Botanical Gardens in mid Summer.
By Sakshi
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By paulaf
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Location: 5bDate: 2017-09-19Bumblebees are frequent visitors
By Samlav
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Location: 5bDate: 2017-09-19A happy bloomer
By Samlav
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Location: My gardenOLYMPUS DIGITAL CAMERA
By bumplbea
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Location: my garden, Gent, BelgiumDate: 2010-06-30wild specie Dahlia, thank you Janet! :)
By bonitin
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Location: my garden, Gent, BelgiumDate: 2011-08-10wild specie Dahlia, thank you Janet! :)
By bonitin
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Location: Indiana  Zone 5Date: 2008-07-29ball type
By gardengus
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Location: central IllinoisDate: 2011-09-26
By jmorth
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Location: Indiana  Zone 5Date: 2010-10-31freshly dug tuber of bedding dahlia
By gardengus
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Location: central IllinoisDate: 2009-09-20
By jmorth
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Location: In my garden in Kalama, Wa.Date: Mid Summer
By Joy
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Location: Lindisfarne Dahlia Show-TasmaniaDate: 24-3-2012Dahlia Floral Art
By gwhizz
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Date: 2012-10-02
By Paul2032
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Date: 2012-10-02
By Paul2032
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Date: 2013-06-14
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Date: 2013-09-09
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Date: 2013-09-09
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Date: 2013-09-09
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Location: National Botanic Garden of LatviaDate: 2013-09-27
By Greyghost
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Date: 2014-09-10
By Paul2032
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Date: 2014-09-13
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Date: 2014-09-13
By Paul2032
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Location: central IllinoisDate: 7-10-07
By jmorth
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By orchidgal
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Location: Allentown, PennsylvaniaDate: 2015-06-30Offspring of 'Bishop of Llandaff'. I like it for its simple but b
By plantrob
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Date: 2015-09-10
By Paul2032
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Date: 2015-09-14
By Paul2032
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Date: 2015-09-18
By Paul2032
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Date: 2015-09-26
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Date: 2015-09-26
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Date: 2015-09-26
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Date: 2015-09-26
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Date: 2015-09-26
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Date: 2015-09-18Dahlia Harvey Koop
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Date: 2015-09-18
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Date: 2015-09-18
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Date: 2015-09-18
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Date: 2015-09-18
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Date: 2015-09-18
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Date: 2015-09-18
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Date: 2015-09-26
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Date: 2015-09-26
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Date: 2015-09-26
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Location: central IllinoisDate: 10-2-06
By jmorth
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Location: central IllinoisDate: 10-4-06
By jmorth
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By Rose1656
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Location: La Crescenta, CADate: 2017-05-24
By JulieB
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Location: Philo, CaliforniaDate: July, 2017
By janwax
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Location: Coastal San Diego County Date: 2017-08-15Right after our uncharacteristic summer rain
By carlysuko
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Location: Coastal San Diego County Date: 2017-09-14
By carlysuko
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Location: Botanical Gardens of the State of Georgia...Athens, GaDate: 2018-06-07Dahlia 025
By dawiz1753
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Location: central IllinoisDate: 2011-09-01
By jmorth
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Location: central IllinoisDate: fall 2006
By jmorth
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Location: My garden in Kalama, Wa. Zone 8
By Joy
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Location: central IllinoisDate: 2004-09-13Collarette type
By jmorth
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Location: central IllinoisDate: 2005-10-23
By jmorth
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Location: MOBOT -   St LouisDate: 2009-09-29container plant
By jmorth
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Location: central IllinoisDate: 10-11-07
By jmorth
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Location: Paeony flowered dahlias. R. & J. Farquhar & Co. (1910)Photo courtesy of: Swallowtail Garden Seeds
By admin
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Location: central IllinoisDate: 10-11-06Frost predicted that night.
By jmorth
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Location: central IllinoisDate: 10-11-06
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Location: central IllinoisDate: 10-4-06
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Location: central IllinoisDate: 9-27-06
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Location: central IllinoisDate: 9-9-06
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By paulaf
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By paulaf
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Date: 2016-09-17
By paulaf
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Date: 2014-08-02
By paulaf
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Location: La Crescenta, CADate: 2017-05-22
By JulieB
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Date: 2016-07-18
By paulaf
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Date: 2016-07-30
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Location: La Crescenta, CADate: 2017-07-05
By JulieB
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By Samlav
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Comments:
Posted by Marilyn (Northern KY - Zone 6a) on May 20, 2013 3:59 AM

Taken from wikipedia's page at: http://en.wikipedia.org/wiki/D...

"Dahlia is a genus of bushy, tuberous, herbaceous perennial plants native mainly in Mexico, but also Central America, and Colombia. A member of the Asteraceae or Compositae, dicotyledonous plants, related species include the sunflower, daisy, chrysanthemum and zinnia. There are at least 36 species of dahlia, with hybrids commonly grown as garden plants.

Dahlias grow naturally in climates which do not experience frost (the tubers are hardy to USDA Zone 8), consequently they are not adapted to withstand sub-zero temperatures. However their tuberous nature enables them to survive periods of dormancy, and this characteristic means that gardeners in temperate climates with frosts can grow dahlias successfully, provided the tubers are lifted from the ground and stored in cool yet frost-free conditions during the winter. Planting the tubers quite deep (10 – 15 cm) also provides some protection. When in active growth, modern dahlia hybrids perform most successfully in well-watered yet free-draining soils, in situations receiving plenty of sunlight. Taller cultivars usually require some form of staking as they grow, and all garden dahlias need deadheading regularly, once flowering commences.

Slugs and snails are serious pests in some parts of the world, particularly in spring when new growth is emerging through the soil. Earwigs can also disfigure the blooms. The other main pests likely to be encountered are aphids (usually on young stems and immature flower buds), red spider mite (causing foliage mottling and discolouration, worse in hot and dry conditions) and capsid bugs (resulting in contortion and holes at growing tips). Diseases affecting dahlias include powdery mildew, grey mould (Botrytis cinerea), verticillium wilt, dahlia smut (Entyloma calendulae f. dahliae), phytophthora and some plant viruses. Dahlias are a source of food for the larvae of some Lepidoptera species including Angle Shades, Common Swift, Ghost Moth and Large Yellow Underwing."

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Plant Events from our members
chelle On October 25, 2014 Winterized
Dug in-ground plants for drying and storing. Seven or eight bags in crawlspace.
dragonfetti On March 25, 2015 Plant emerged
Just a small sprout so far.
dragonfetti On January 22, 2015 Obtained plant
Planted tubers in glass tulip bed
AndreA33 On April 30, 2016 Maintenance performed
Cuttings of unknown dahlias done on Place Pompidou
carolem On January 2, 2018 Bloomed
MrsBinWY On March 23, 2018 Potted up
5
MrsBinWY On February 25, 2018 Seeds sown
Cactus Mix (commercial seeds from patrob to Lalambchop1 to me), 20 seeds (all) @ warm room temp
» Post your own event for this plant

Discussion Threads about this plant
Thread Title Last Reply Replies
Beautiful!! by SongofJoy Nov 22, 2012 1:17 AM 1
Arabian Night? by frankrichards16 Nov 4, 2013 4:17 PM 9
Untitled by bamira Apr 16, 2015 7:46 PM 0
twyning´s smartie by bamira Apr 20, 2015 2:57 PM 3
Wizard of Oz by bamira Apr 16, 2015 8:16 PM 0
tag along by jmorth Sep 27, 2015 8:56 AM 3
Oh, wow! by chelle Oct 2, 2015 8:17 AM 0
Dahlia ID by Calif_Sue Jun 11, 2017 10:58 AM 1
ID question by eclayne Feb 10, 2018 1:16 PM 2
Problem with Sevin by guaranteed Jul 15, 2018 9:26 PM 22
Houseplants sickly by Cristelv Jul 17, 2018 11:16 AM 7
No name dahlia by MargieNY Jul 15, 2018 11:04 PM 3
Garden glimpses by Mike Jul 18, 2018 11:56 PM 25
Thrip damage? by ErinGerg Jul 9, 2018 2:01 PM 2
Plant ID, a shrub perhaps by Jameswipps Jul 11, 2018 3:37 AM 6
Comments by Calif_Sue Jul 6, 2018 6:52 PM 0
Sunflower leaves thick twisted and curled by DahliaDiva Jun 29, 2018 4:26 PM 0
Dahlias by Mtracty1 Jun 28, 2018 1:09 PM 1
Watering practices for Dahlias by ErinGerg Jun 28, 2018 11:44 AM 3

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