It is hardy to zone 5 and is not frost tender. It is in flower from June to July, and the seeds ripen from August to September. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees, flies, beetles, Lepidoptera (Moths & Butterflies).
The plant is self-fertile.
The plant prefers light (sandy) and medium (loamy) soils and requires well-drained soil.
The plant prefers neutral and basic (alkaline) soils.
It can grow in semi-shade (light woodland) or no shade.
It requires moist soil.
Leaves - raw or cooked[K]. A mild flavour with a subtle sweetness, especially in the spring and early summer they taste just like lettuce and are a pleasant addition to mixed salads[K]. In the height of summer, the leaves often develop a slightly bitter flavour, especially if the plant is growing in a sunny position[K].
Flowers - raw. Beautiful to look at, the flowers have a delicate sweetness and are a pleasant addition to salads[K].
Roots - raw, cooked or dried for later use. Known as 'do-ra-jee' in Korea, where they are eaten as a delicacy. The roots are a bit small and fiddly to utilize, though they are said to have a simply delicious flavour.
Medicinal Uses
Plants For A Future can not take any responsibility for any adverse effects from the use of plants.
Always seek advice from a professional before using a plant medicinally.
None known
Other Uses
None known
Cultivation details
Prefers a moist but well-drained rich sandy loam and a neutral or alkaline soil in sun or partial shade[1, 200]. Succeeds in most well-drained soils[233].
The species in this genus do not often hybridize and so seed can generally be relied upon to come true[221]. The plants are self-fertile[221].
This species is closely related to C. punctata[233, 271].
The plant spreads freely at the roots and can become rampant in lighter soils, though it is easily controlled by hoeing (or eating!)[233, 271, K].
Members of this genus are rarely if ever troubled by browsing deer[233].
Propagation
Seed - surface sow May/June in situ. The seed usually germinates in 2 - 4 weeks at 18°c[138].
If the seed is in short supply it would be best to sow it in pots in a cold frame in the spring. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in a cold frame for at least their first winter. Plant them out into their permanent positions in late spring or early summer, after the last expected frosts.
Division in spring. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the summer or following spring.
Cultivars
'Elizabeth'
A form selected for its rich maroon flowers and still deeper maroon markings inside the flowers, it grows well in the garden[271].
Links
This plant is also mentioned in the following PFAF articles:
The Potted Garden.
References
[K] Ken Fern Notes from observations, tasting etc at Plants For A Future and on field trips.
[1] F. Chittendon.RHS Dictionary of Plants plus Supplement. 1956 Oxford University Press 1951 Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaces in 1992 by a new dictionary (see [200]).
[138] Bird. R. (Editor)Growing from Seed. Volume 3. Thompson and Morgan. 1989 Very readable magazine with lots of information on propagation.
[200] Huxley. A.The New RHS Dictionary of Gardening. 1992. MacMillan Press 1992 ISBN 0-333-47494-5 Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
[221] Crook. H. Clifford.Campanulas - their cultivation and classification. Country Life 1951 The most comprehensive treatment of the genus yet written (2002).
[233] Thomas. G. S.Perennial Garden Plants J. M. Dent & Sons, London. 1990 ISBN 0 460 86048 8 A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
[271] Lewis. P. & Lynch. M.Campanulas - A Gardener's Guide. B. T. Batsford. London. 1998 ISBN 0-7134-8266-4 Very readable account of almost 150 members of the genus, together with their hybrids and cultivars, that are more commonly grown in gardens. Excellent photographs of many of the species.
Readers Comments
Plants for a Future does not verify the accuracy of reader comments,
use at your own risk. In particular
Plants For A Future can not take any responsibility for any adverse effects from the use of plants.
You should always consult a professional before using plants medicinally.
Campanula takesimana
Robert
Tue Jan 14 04:45:38 2003
The roots of the Korean Belflower are absolutely delicious! In Korea, they are a delicacy. They can be eaten fresh or dried and have a simply delicious flavour. Koreans call them "do-ra-jee".
Campanula takesimana
Jake
Mon Sep 8 2008
Just a note, Wikipedia says that Doraji doesn't come from this plant but from Chinese Bellflower, Platycodon grandiflorus, I have zero idea of whether this is true or not, but they maintain it is a common error.
http://en.wikipedia.org/wiki/Chinese_bellflower
http://en.wikipedia.org/wiki/Campanula_takesimana
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