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 December
1997
 Sempervivum
species
 November
1997
Allium
thunbergii
October
1997
Gentiana
scabra
September
1997
Sedum
cauticola
August
1997
Allium
senescens glaucum
July
1997
Delphinium
tatsienense
June
1997
Dianthus
gratianopolitanus
May
1997
Penstemon
rupicola
April
1997
Tulipa
tarda
March
1997
Iris
reticulata
February
1997
Saxifraga
longifolia
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2003
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2002
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2001
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2000
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1999
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1998
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Plant
of the Month
November
1997
Allium
thunbergii
by Iza Goroff
Allium
thunbergii is a most
valuable plant for the sunny or partly sunny rock garden. It
is one of the latest flowering plants, blooming in October
and November, continuing to show color well after the first
frosts. It is about 10"(25 cm) tall, easy to grow, hardy to
below -32°F (-35°C), and heat resistant as well.
It is native to the Japanese islands of Honshu, Shikoku, and
Kyushu, as well as South Korea. It is easily propagated by
division.
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