|
R. davidii elongata
|
|
10
|
1290
|
February 2, 2025
|
|
Rosa blanda or R. davurica?
|
|
2
|
122
|
August 8, 2024
|
|
First germination of the winter
|
|
120
|
13971
|
April 19, 2019
|
|
Diploidy or not diploidy. That is the question...
|
|
63
|
12279
|
June 10, 2018
|
|
Ploidy of Prairie Dawn
|
|
44
|
7699
|
June 28, 2013
|
|
Rosa aschersoniana
|
|
17
|
2526
|
June 28, 2013
|
|
Rosa rugosa f. alba x Golden Chersonese
|
|
106
|
9783
|
November 19, 2012
|
|
species and species hybrids
|
|
17
|
2802
|
May 1, 2012
|
|
Who's your (best) daddy? (And momma?)
|
|
29
|
4468
|
February 29, 2012
|
|
Species roses utilized -- show and tell
|
|
94
|
3363
|
December 1, 2011
|
|
Rosa rugosa f. alba x Rosa beggeriana
|
|
36
|
2151
|
November 18, 2011
|
|
A Question for David Zlesak
|
|
10
|
651
|
September 13, 2011
|
|
Not abut roses but interesting
|
|
29
|
1511
|
June 28, 2011
|
|
Yellow Roses for the Canadian Prairies.
|
|
37
|
948
|
July 28, 2008
|
|
Hulthemia persica hybrids
|
|
45
|
1887
|
April 7, 2007
|
|
Plant architecture
|
|
27
|
853
|
February 13, 2007
|
|
new breeding perspectives
|
|
31
|
1461
|
December 25, 2006
|
|
Yellows in Pimpinellifoliae
|
|
17
|
959
|
December 18, 2006
|