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  • Salvia greggii Radio Red Bloom

Salvia greggii Radio Red

Scientific Name : Salvia greggii
Common Name : Sage
Hardiness Zone : 7a - 10b
Hardiness Degree : 0°F (-18°C)
Blooming Season : Early Spring, Spring, Late Spring, Summer, Autumn, Late Summer
Plant Habit : Upright
Characteristics : Deer Resistant, Attracts Hummingbirds
Water : Medium
Fertilizer : Once a month
Spacing : 16 - 18" (41 - 46cm)
Height : 16 - 18" (41 - 46cm)
Width : 14 - 16" (36 - 41cm)
Exposure : Sun
General Information : Flowers are true, bright red.
Maintains its color longer than other red varieties.
Idea & Tips : Salvia Radio Red prefers full sun locations and well-drained soils.
Grower InformationBlooms all Summer long – nice in containers.
  • A good, true red S. greggii meets demand for this popular color.
  • Keeps its color without fading longer than other red varieties.
  • Well-branched plants.
'Radio Red'
Protection InformationPP26,362
(Flowering Only License)
Breeder : Darwin Perennials
  • Propagation Guide
    • Media EC/pH:
      EC 0.75-0.80 mmhos/pH 5.8-6.2
      Soil Temperature:
      70-72°F (21-22°C)
      Rooting Hormone:
      500 ppm IBA
      50-75 ppm N
      Recommended after roots are established. Leave 4-5 active internodes.
      35-42 days after sticking
      Begin fertilizing 7 days after stick.
    • Media pH:
      Nights: 45 to 70°F (7 to 21°C) Days: 55 to 80°F (13 to 27°C)
      Light Level (fc):
      5,000 to 8,000
      Day length neutral
      Allow media to dry moderately between watering.
      Use a balanced fertilizer at a rate of 125 to 150 ppm.
      Pinch After Transplant:
      Once for smaller pot sizes, twice for larger containers.
      Plant Growth Regulators:
      PGRs generally not needed
      Pests and Fungal Diseases:
      White fly, spider mites
    • 1–qt. (10–cm) pot, 1 plant per pot:
      Unrooted: 12-14 wks Rooted: 8-10 wks
      1–gal. (15–cm) pot, 1 plant per pot:
      Unrooted: 14-16 wks Rooted: 10-12 wks
      2 to 3–gal. (25 to 30–cm) pot, 3 plants per pot:
      Unrooted: 16-18 wks Rooted: 12-14 wks
      Bloom Months:
      March to September

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