Plant Guide
Letter "U"
Entries beginning with "U"

Uebelmannia buiningii


Common Name: Uebelmannia
Plant Type:
  • succulent and cactus

USDA Hardiness Zones:
  • 80 to 70ºF ZONE 14
0

Uebelmannia pectinifera


Common Name: Uebelmannia
Plant Type:
  • succulent and cactus

USDA Hardiness Zones:
  • 80 to 70ºF ZONE 14

Winter Sowing Zones: None
0

Ugni molinae


Common Name: Chilean Guava
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10

Winter Sowing Zones: None
10

Ugni molinae 'Flambeau'


Common Name: Flambeau Chilean Guava
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Ulmus americana


Common Name: American elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -50 to -40ºF ZONE 2
  • -30 to -40ºF ZONE 3
  • -20 to -30ºF ZONE 4
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
0

Ulmus carpinifolia


Common Name: Smoothleaf Elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Ulmus carpinifolia 'Frontier'


Common Name: Smoothleaf Elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Ulmus carpinifolia 'Homestead'


Common Name: Smoothleaf Elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Ulmus carpinifolia 'Pioneer'


Common Name: Smoothleaf Elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Ulmus carpinifolia 'Regal'


Common Name: Smoothleaf Elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Ulmus carpinifolia 'Sarniensis'


Common Name: Smoothleaf Elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Ulmus carpinifolia 'Umbraculifera'


Common Name: Smoothleaf Elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Ulmus carpinifolia 'Variegata'


Common Name: Smoothleaf Elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Ulmus parvifolia


Common Name: Chinese elm, lacebark elm, Drake elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
0

Ulmus pumila


Common Name: Siberian elm
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • -30 to -40ºF ZONE 3
  • -20 to -30ºF ZONE 4
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
0

Umbellularia californica


Common Name: California Laurel, Headache Tree
Plant Type:
  • trees, shrubs

USDA Hardiness Zones:
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
0

Uniola paniculata


Common Name: Sea Oats
Plant Type:
  • grasses

USDA Hardiness Zones:
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Urechites lutea


Common Name: Wild Allamanda1
Plant Type:
  • perennial
  • vines and climbers

USDA Hardiness Zones:
  • 40 to 30ºF ZONE 10
  • 50 to 40ºF ZONE 11
  • 60 to 50ºF ZONE 12
0

Urtica dioica


Common Name: Stinging Nettle
Plant Type:
  • perennial

USDA Hardiness Zones:
  • -30 to -40ºF ZONE 3
  • -20 to -30ºF ZONE 4
  • -10 to -20ºF ZONE 5
  • 0 to -10ºF ZONE 6
  • 10 to 0ºF ZONE 7
  • 20 to 10ºF ZONE 8
  • 30 to 20ºF ZONE 9
  • 40 to 30ºF ZONE 10
0

Ustilago maydis


Common Name: smut of corn
0
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