thegardengeeks
Plant Guide

Rosa 'Congratulations'


Pronunciation: ROE-sah
Family: Rosaceae
Synonym: Rosa 'Sylvia'
Common Name: Congratulations Rose
Plant Type:
  • trees, shrubs

Height to: 5'
Width to: 3'
USDA Hardiness Zones:
  • -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

Bloom Description: clusters of cupped to flat, single pink flowers, 4 1/2" across, with paler centers and folded petals
Bloom Season:
  • mid spring
  • late spring
  • early summer

Sun Exposure:
  • full sun

Soil Type: moderately fertile, humus rich, moist but well drained
Pests and Diseases:

aphids, leaf hoppers, spider mites, scale insects, caterpillars, sawfly larvae, cane borers, Japanese bettles, rose stem girdlers, thrips, rose chafers, rose midges, rose slugs, leaf cutting bees, rabbits, deer, black spot, rust, powdery mildew, canker, dieback, crown gall, viruses, downy mildew


Propagation: root softwood cuttings from first flush of bloom to summer. Root hardwood cuttings in autumn. Bud in summer. Sow seed in containers in autumn.
Notes:

A Hybrid Tea Rose.  Prune in late winter or early spring.  For Maintenance: Cut back main stems to 8-10" above ground in temperate climates; to 18-24" in warm climates. Reduce sideshoots to 2 or 3 buds or 4-6". Remove weak spindly shoots.  For Renewal: Cut back 1/3 of oldest stems almost to base; repeat for rest of old stems over the next 2 or 3 years.  Data Source: The American Horticultural Society A to Z Encyclopedia of Garden Plants


USDA Heat Zones (days above 86ºF):
  • Less then 1 day ZONE 1
  • 1 to 7 days ZONE 2
  • 7 to 14 days ZONE 3
  • 14 to 30 days ZONE 4
  • 30 to 45 days ZONE 5
  • 45 to 60 days ZONE 6
  • 60 to 90 days ZONE 7
  • 90 to 120 days ZONE 8
  • 120 to 150 days ZONE 9
  • 150 to 180 days ZONE 10
  • 180 to 210 days ZONE 11
  • Greater then 210 ZONE 12

Data Source: The American Horticultural Society A to Z Encyclopedia of Garden Plants


Submitted by: Pectiwiccan
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