PlantFiles: Tree Dahlia
Dahlia tenuicaulis

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Dahlia (DAHL-ya) (Info)
Species: tenuicaulis (ten-yoo-ee-KAW-liss) (Info)

» View all varieties of Dahlias

Section:
Botanical (species)

Flower Size:
Unknown - Tell us

Bloom Color:
Purple, Wine, Violet

Pruning:
Unknown - Tell us

Height:
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)

Spacing:
4-6 ft. (1.2-1.8 m)

Foliage:
Herbaceous
Burgundy
Bronze-Green

Other details:
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)

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:
Allow seedheads to dry on plants; remove and collect seeds

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to view:
By Happenstance

By Happenstance

Profile:

2 positives
No neutrals
No negatives

Gardeners' Notes:

Rating	Author	Comment
Positive	Peemla	On Nov 6, 2004, Peemla from Santa Cruz, CA (Zone 10b) wrote: I live in Santa Cruz, Ca. I sent a cutting from my neighbor's dahlia tree to my mother in Prairie Village, Kansas late in the season. It took off beautifully, but there wasn't enough time to bloom before the weather changed. She will cut the stalk into 12" peices and try again next spring. I have suggested she leave the root in the ground and mulch it to see if it can last through the harsh winters in Kansas. I will update this in the next growing year. Pam
Positive	Happenstance	On Feb 7, 2004, Happenstance from Fairfield, CA (Zone 10a) wrote: I planted this in a 4" pot sometime mid-summer here in zone 9b. It only grew to about 4' tall before temps dropped this winter. It did set buds, but most were lost to winter wind/rain. 2/7/04 two buds remain and one began to open today, a beautiful dark purple with golden yellow center. Hoping for better results as the plant matures this year. Heronswood Nursery says 10-12' begins blooming late summer in the Pacific Northwest, prolific bloomer. No mention of cold hardiness, but it did fine in 10a with our low so far this winter at 40F.