www.mobot.org Research Home | Search | Contact | Site Map  
 
Research
W³TROPICOS
QUICK SEARCH

MO PROJECTS:
Africa
Asia/Pacific
Mesoamerica
North America
South America
Floras
General Taxonomy
Photo Essays
Training in Latin
  America

MO RESEARCH:
Wm. L. Brown Center
Bryology
GIS
Graduate Studies
Research Experiences
  for Undergraduates

Imaging Lab
Library
MBG Press
Publications
Climate Change
Catalog Fossil Plants
MO DATABASES:
W³MOST
Image Index
Rare Books
Angiosperm
  Phylogeny

Res Botanica
All Databases
INFORMATION:
The Unseen Garden
What's New?
People at MO
Visitor's Guide
Herbarium
Jobs & Fellowships
Symposium
Research Links
Site Map
Search

Projects
ORNAMENTAL PLANTS OF HORTICULTURE VALUE

Selection of perennials

Platycodon A.DC.
Balloon flower
Campanulaceae

One species, distributed in eastern Asia.

P. grandiflorus (Jacq.) A. DC.

Siberia (southern and western regions, the Far East), northeastern China, Korea and Japan. Dry meadows, rocky places among shrubs or in forest clearings.

Taprooted plant. Leafy flowering shoots 50-70 cm. Stem branched above. Leaves ovate-lanceolate, opposite or alternate, 3-4 cm x 2-3 cm, sharply dentate. Flowers large, 5-7 (8) cm diam., corolla broadly campanulate, blue, azure, rarely white, in cymose inflorescence. V - late spring to late autumn, in St. Petersburg May-October. Fl - July-August for 3-5 weeks. Fr - September. Frost-resistant in places without standing water. P - by seed, flowering 2 (3) years after sowing. There are many cultivars and garden forms differing in colour and flower size. Plant in groups in sunny sites, also does well in partial shade. Can be used in many landscape sites. Z 4 (3).

SELECTION OF PERENNIALS
 
 
© 1995-2014 Missouri Botanical Garden, All Rights Reserved
P.O. Box 299, St. Louis, MO 63166-0299
(314) 577-5100

E-mail
Technical Support