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PlantFiles: Formal Decorative Dahlia
Dahlia 'Barbarossa'

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Dahlia (DAHL-ya) (Info)
Cultivar: Barbarossa
Hybridized by Carlee; Year of Registration or Introduction: 1936

» View all varieties of Dahlias

One vendor has this plant for sale.

4 members have or want this plant for trade.

Section:
Decorative

Flower Size:
Medium - 6 to 8 inches (150 to 200 mm) diameter

Bloom Color:
Red, Dark Red

Pruning:
Unknown - Tell us

Height:
36-48 in. (90-120 cm)

Spacing:
24-36 in. (60-90 cm)

Foliage:
Herbaceous

Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater
Flowers are good for cutting
Flowers are good for drying and preserving

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Non-patented

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Danger:
Parts of plant are poisonous if ingested

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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Profile:

3 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive natalie4b On Jun 14, 2009, natalie4b from Roswell, GA (Zone 7b) wrote:

The most gorgeous Dahlia in my garden! Huge rich red blooms . Will plant more next year - absolutely love it!

Positive bigcityal On Oct 28, 2006, bigcityal from Menasha, WI (Zone 5a) wrote:

A very red fully opening FD - ball shaped with big petals.

Positive lmelling On Oct 25, 2004, lmelling from Ithaca, NY (Zone 5b) wrote:

Deep red flowers, beautiful long lasting blooms. Mine generally reach about 7" - 9" across. I find mine do best when planted in containers (instead of directly in garden) in full sun with rich, loose, well drained soil. Give a spritz of liquid fertilizer once ever couple of weeks. Plant the bulbs at about 6" depth.

Absolutely beautiful, dependable dahlia that I've grown for the last 3 years. Since I'm in zone 5, I set the bulbs out in May (usually mid month). If frost is possible, cover tender vegetation on those nights with a cardboard box or remay cloth. Blooms generally appear by the end of June/ early July and continue until frost. When frost arrives, lift bulbs, cut off plant close to top of bulb, clean off with water and put in airy place to dry. I store mine in my basement over winter in net bags hanging up. Or put in box with a little peat moss or wood chips and store in cool dark place (45 - 55 degrees).

Because this is a dinnerplate dahlia, if the blooms reach 8+ inches across, you can dry these for use in dried arrangements and they will form a nice fist sized dried flower when fully dried. (smaller blooms dry much smaller). Color will hold for about 1 year.

To dry: cut (just) fully opened flower and leave a short (4" stem). Poke a 22 ga or 18 ga wire through the flower close to but not in the center of the flower. Loop the top wire into a U and pull down through the opposite side of the flower. Hang upside down in a warm dark place to dry (about 3 weeks). When dry, spray well with a flower preservative or hair spray to seal. I have read that you can preserve the blossoms using silica gel as well, but if you intend to do more than 1 or 2 flowers, air drying is best. Flowers dried in silica gel will absorb moisture from the air and fall apart much quicker.

Regional...

This plant has been said to grow in the following regions:

Fort Lauderdale, Florida
Roswell, Georgia
Brown City, Michigan
Ithaca, New York
Durham, North Carolina
Kermit, Texas
Issaquah, Washington
Menasha, Wisconsin



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