Growing Roses by Mabel Keller

1. GROWING ROSES
Pruning cuts
Rose Pests, Diseases, and Friends
Rose Varieties

2. Why Prune?
• Control & improve bloom production
– Bloom Cycle timing
– Hard prune for fewer but bigger
• Improve health & disease resistance
• Manage plant size & shape
– Fortuniana size
– Eye-level enjoyment
– Shape to the setting

3. What to prune?
• Dead wood
• Damaged canes
• Freeze & cane-borer damage
• Spindly, inward, & crossing growth
• Oldest canes
• Top 1/3 to 1/2

4. Pruning
Have the right tools
1.Sharp, by-pass clippers
2.Sharp loppers
3.Coping saw or small hand saw
4.Wire brush
5.Gloves
6.Pruning spray or Elmer’s Glue
7.Alcohol (needed to wipe blades from rose to
rose)

5. Incorrect Cut – too much angle

6. Incorrect cut - too flat

7. Incorrect cut – not enough angle

8. Correct cut

9. Finished look

10. Basal Break – New Cane

11. Rose Pests
• Scale
• Insects : caterpillars, leaf caterpillars
• Japanese beetles, brown beetles
• Western Flower Thrips
• Spider Mites
• Katydids and Grasshoppers
• Leaf Cutter Bees
• Chilli Thrips

12. Rose Pests - Scale
• s

13. Rose Scale

14. Pests – Caterpillar Eggs

15. Caterpillar eggs on bud & leaf

16. Caterpillars – Damage to leaves

18. Damage to Bud

19. Caterpillar in Leaf

20. Beetles and Damage to Leaves

21. Japanese Beetle

22. Japanese Beetle Inside Bud

23. Beetle & Thrips

24. Spider Mites Top of Leaves

25. Under the leaf

29. Cane Borer Damage

30. Leaf Cutter Bee Damage

31. Katydid

32. Grasshoppers

33. Rose Diseases
• Black Spot (Black spots on leaves and canes)
• Anthracnose (looks like Black Spot but with brown center)
• Powdery Mildew (Leaves and buds have white powdery
spores on them)
• Downy Mildew (Purple to red spots on leaves)
• Botrytis Blight (Fungus on the buds and flowers)
• Rose Cankers (Fungus on Canes)
• Rust (Fungus on leaves-spores causing red-brown spots)
• Crown Gall (Bacterial disease on Bud union or roots)
• Rose Mosaic (Virus- white/yellowish discoloration in
leaves)
• Rose Rosette (Virus –foliage looks like witch’s broom)

34. Black Spot

35. Rose Defoliated by Black Spot

36. Rose Friends
• Frogs
• Lizards
• Spiders
• Bees
• Lady Bugs

37. Friends – Green Tree Frog

41. Types of Roses
• Hybrid Teas
• Grandifloras
• Florabundas
• MiniFloras
• Minitures
• Shrubs
• Climbers
• Old Garden Roses

42. Hybrid Teas Affirm

43. Bride’s Dream

44. Brooks’ Red

45. Christopher Columbus

46. Color Magic

47. Crystalline

49. Deidra Hall

51. Denali

52. Desparado

53. Double Delight

54. Dublin

55. Elizabeth Taylor

56. First Prize

57. First Prize Spray

58. Fragrant Cloud

59. Hot Princess

60. Jema

61. Kardinal

62. Kardinal

63. Lagerfeld

64. Louise Estes

65. Louise Estes

66. Marilyn Monroe

67. Moonstone

68. Perfect Moment

70. Perfectly Red

72. St. Patrick

74. Timeless

75. Touch of Class

76. Veteran’s Honor

77. Florabundas - Angel Face

78. Scentimental

79. Sunsprite Spray

80. Eutin Spray

81. Miniatures – Bee’s Knees & Glowing
Amber

82. Sweet Caroline
Olympic Gold

83. Minifloras – Memphis Magic

84. Best of 04 & Cachet’

85. Shrubs – Brilliant Pink Iceburg

86. Brilliant Pink Iceburg

87. Belinda’s Dream

88. Climbers - Don Juan

89. Climber from Arkansas

91. Garden in Bloom