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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
Archive 2004
Archive
2003
Archive
2002
Archive
2001
Archive
2000
Archive
1999
Archive
1998
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Plant
of the Month
July
1997
Delphinium
tatsienense
by Iza Goroff
Delphinium
tatsienense, a native of
Szechwan, China, is a valuable plant for its rich blue
flowers, its summer flowers, and its relatively low stature.
Out of flower it is about 6" (15 cm) tall. In flower it is
at least twice as tall.
Delphinium
tatsienense is an easy plant in
most rock garden soils in at least a partially sunny
location. Delphiniums are relatively easy to raise from
Other
blue flowered delphinium species worth growing in the rock
garden include D.
caucasicum and D.
pylzowii.
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