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Embryos roots swelling before cotyledons greening and planting questions
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5
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74
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May 22, 2026
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When do your hybridization efforts start each year? How early in the growing season do you start?
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20
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139
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May 22, 2026
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Identifing a climbing rose
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6
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134
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May 21, 2026
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How much of your garden is given over to your own creations vs. known varieties?
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3
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50
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May 20, 2026
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World peace opportunity
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5
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171
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May 20, 2026
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Show me the biggest rose you have bred
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1
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53
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May 19, 2026
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First germinations of 2026!
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81
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1615
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May 19, 2026
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Clarification on bloom type
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11
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240
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May 18, 2026
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Six-petalled rosa carolina
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2
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68
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May 16, 2026
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My crosses (Germinating in 2026)!
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5
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296
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May 15, 2026
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Rosa persica in the US
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2
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84
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May 15, 2026
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RHA membership portal is temporarily offline
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9
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182
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May 12, 2026
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Is this likely Cane Scale or just Nothing?
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5
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100
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May 12, 2026
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Pests & the Heebie-jeebies:
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9
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113
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May 11, 2026
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Advice on encouraging young rose plant basal shoots
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14
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174
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May 11, 2026
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Old roses and petals
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16
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245
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May 11, 2026
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OP Mutabilis seedlings
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51
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1481
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May 11, 2026
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Selecting mother plants
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14
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746
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May 10, 2026
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Need help IDing this rose
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3
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115
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May 9, 2026
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Poor start to season-black anthers
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8
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98
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May 8, 2026
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Souvenir de Trélazé R. rugosa
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3
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81
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May 5, 2026
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‘Rugelda’ as a parent…
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6
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200
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May 5, 2026
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Portland roses as mothers
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141
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3286
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May 4, 2026
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Erskine Hybrid Rugosa x Moss Madame de la Roche Lambert
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3
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144
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May 4, 2026
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Victorian Memory (Isabella Skinner) or Champagne Arches Experience?
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2
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547
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May 4, 2026
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mutabilis as a parent?
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35
|
2057
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May 3, 2026
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Which rose variety do these leaves belong to?
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3
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85
|
May 3, 2026
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Breeding roses for very strong fragrance
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31
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805
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May 1, 2026
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One pollen grain of 1/2 DNA only per one seed?
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11
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182
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May 1, 2026
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Please advise/link interesting topics
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0
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41
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April 29, 2026
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