Dahlia 'Hy Heart' in the Dahlias Database

Data specific to Dahlias (Edit)
Size: Small (BB): over 4 to 6 inches in diameter.
Form: Formal Decorative (FD)
Color: Red (R)
Year Introduced: 1999
Country of Origin: Canada
Hybridizer or Originator: Holland, W
ADS Classification Code: 3006

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Minimum cold hardiness: Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F)
Flowers: Showy
Resistances: Deer Resistant
Propagation: Seeds: Days to germinate: 7-21
Depth to plant seed: 1/4 inch
Start indoors
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

Winterizing Dahlias in OregonWinterizing Dahlias in Oregon
October 29, 2015

I live in Oregon in zone 8 and I LOVE dahlias and have had them for many years. For years I tried to dig them and store them as I was instructed, yet nothing worked and I always lost them. One year I was given some information about the rain being more of an enemy to my tubers than the freeze was.

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Discussion Threads about this plant
Thread Title Last Reply Replies
Last man standing, 2018 by frankrichards16 Apr 19, 2018 12:21 PM 1
2018 Dahlias by frankrichards16 Jun 22, 2018 2:12 PM 212
It's about that time... by frankrichards16 Nov 8, 2017 9:11 PM 48
Dahlias 2017 by Oberon46 Dec 1, 2017 8:10 PM 652
What's your top 5 pick for 2016? by CLC70 Feb 18, 2017 1:59 PM 11
2016 Blooms by mandolls Feb 18, 2017 6:16 PM 588
Dahlia ID by cats1 Jul 11, 2016 10:12 AM 8
Some Dahlias Take a Long Time to Sprout! by kousa Jun 20, 2018 8:45 PM 51
How Are Your Dahlias Doing/Growing? by kousa Sep 21, 2016 7:27 AM 251
Who has ordered dahlias for 2016? by pirl May 25, 2016 6:15 AM 118
Lets introduce ourselves 2016 by mandolls May 7, 2016 12:48 PM 137
Getting ready for 2016 Dahlia season by mandolls Jun 11, 2016 4:36 AM 504
Dahlia sellers/traders on ATP by scflowers Dec 21, 2015 6:24 AM 39
What Are Your Top 5 Favorites This Year? by kousa Oct 1, 2015 9:59 AM 45
Dahlia Season 2015 - really kicking in now! by mandolls Jan 12, 2016 9:50 AM 183
First bloom of 2015 (for me) by pirl Jul 29, 2015 9:21 AM 85
Do you seem to gravitate towards a certain classification? by Kabby Feb 11, 2015 7:48 AM 32
2014 Dahlias are in bloom by soilsandup Feb 9, 2015 6:17 PM 70
Anybody want free dahlias? St Patricks day daw. by Cantillon Aug 11, 2014 3:42 PM 43
Anyone ordering yet? by pirl Feb 27, 2014 10:11 PM 22

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