Salvia Splendens Red Hot Sally
Salvia splendens 'Red Hot Sally'
A compact, early-flowering scarlet sage that produces brilliant red flower spikes continuously throughout the growing season without the need for deadheading. This improved variety stays neat and bushy while delivering intense color that attracts hummingbirds and butterflies to the garden. Perfect for mass plantings, borders, and containers where consistent, vibrant color is desired from spring until frost.
Harvest
65-75d
Days to harvest
Sun
Full sun to partial shade
Zones
10–11
USDA hardiness
Height
1-3 feet
Planting Timeline
Showing dates for Salvia Splendens Red Hot Sally in USDA Zone 7
All Zone 7 flower →Zone Map
Click a state to update dates
Salvia Splendens Red Hot Sally · Zones 10–11
Growing Details
Zone-by-Zone Planting Calendar
| Zone | Indoor Start | Transplant | Direct Sow | Harvest |
|---|---|---|---|---|
| Zone 3 | April – May | June – July | June – August | — |
| Zone 4 | March – April | June – June | June – July | — |
| Zone 5 | March – April | May – June | May – July | — |
| Zone 6 | March – April | May – June | May – July | — |
| Zone 7 | February – March | April – May | April – June | — |
| Zone 8 | February – March | April – May | April – June | — |
| Zone 9 | January – February | March – April | March – May | — |
| Zone 10 | January – January | February – March | February – April | — |
| Zone 1 | May – June | July – August | July – September | — |
| Zone 2 | April – May | June – July | June – August | — |
| Zone 11 | January – January | January – February | January – March | — |
| Zone 12 | January – January | January – February | January – March | — |
| Zone 13 | January – January | January – February | January – March | — |
Complete Growing Guide
Red Hot Sally distinguishes itself through exceptional earliness and continuous blooming without deadheading, making it ideal for gardeners seeking low-maintenance color from spring through frost. Start seeds indoors 6-8 weeks before last frost, as the 65-75 day timeline accelerates flowering compared to standard salvias. This cultivar thrives in full sun with well-draining soil and moderate moisture—overwatering invites powdery mildew, its primary weakness in humid climates. Unlike taller salvia varieties, Red Hot Sally's compact, bushy habit resists stretching and sprawl, though pinching seedlings at 4-6 inches encourages stockier branching and denser flower production. The variety shows strong resistance to common spider mites but can struggle in temperatures below 50°F, so delay transplanting until soil warms thoroughly. For maximum impact, group plants 12-15 inches apart in borders where their continuous scarlet spikes create visual punch without the fading associated with older cultivars.
Light: Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours). Soil: High Organic Matter, Loam (Silt). Soil pH: Neutral (6.0-8.0). Drainage: Good Drainage. Height: 1 ft. 0 in. - 3 ft. 0 in.. Spread: 0 ft. 8 in. - 0 ft. 10 in.. Spacing: Less than 12 inches. Growth rate: Rapid. Maintenance: Low. Propagation: Stem Cutting. Regions: Coastal, Mountains, Piedmont.
Harvesting
Red Hot Sally reaches peak readiness when flower spikes display fully saturated scarlet color throughout their length and feel firm to the touch, typically 65-75 days after planting. Unlike single-harvest flowers, this cultivar produces continuous blooms without deadheading, allowing you to enjoy color from spring through frost. For optimal garden display, pinch off spent flower spikes just as the lowest florets begin to fade rather than waiting for complete color loss; this encourages denser branching and more prolific flowering. The compact growth habit means regular light harvesting actually strengthens the plant's bushy structure while maintaining the vibrant color that attracts hummingbirds and butterflies throughout the season.
Schizocarp has 4 lobes that separate into 4 single-seeded nutlets.
Color: Black. Type: Schizocarp. Length: < 1 inch. Width: < 1 inch.
Storage & Preservation
Since Red Hot Sally is ornamental rather than edible, preservation focuses on extending cut flower life and seed collection. Fresh cut stems last longest when immediately placed in lukewarm water with floral preservative, then moved to a cool location away from direct sunlight.
For seed saving, allow select flower spikes to complete their cycle and turn brown in late fall. Cut entire seed heads when they rattle lightly, then hang them upside down in paper bags to catch falling seeds as they dry. Store collected seeds in labeled envelopes in a cool, dry location - they remain viable for 2-3 years. Remember this is a hybrid variety, so saved seeds won't produce plants identical to the parent plant.
History & Origin
Salvia splendens 'Red Hot Sally' emerges from the breeding lineage of scarlet sage, a species native to Brazil that has been cultivated ornamentally since the nineteenth century. While specific breeder attribution and introduction year for this particular cultivar remain undocumented in widely available horticultural records, 'Red Hot Sally' represents the modern advancement of compact, early-flowering salvia breeding that intensified during the late twentieth century. The variety reflects decades of selection work focused on reducing plant height, improving flower production, and eliminating deadheading requirements—improvements characteristic of contemporary seed company breeding programs. Its development likely occurred within commercial breeding lines dedicated to producing garden-ready annuals for mass market appeal.
Origin: Brazil
Advantages
- +Brilliant scarlet flowers attract hummingbirds and butterflies reliably
- +No deadheading required; blooms continuously spring through frost
- +Compact, bushy growth stays neat in containers and borders
- +Early flowering at 65-75 days provides quick garden color
- +Easy to grow; ideal for beginner gardeners and mass plantings
Considerations
- -Susceptible to aphids, spider mites, and whiteflies regularly
- -Requires well-drained soil; prone to root rot otherwise
- -Powdery mildew develops quickly in humid growing conditions
Companion Plants
Marigolds (especially Tagetes patula) are the most practical companion here — their root secretions deter soil nematodes, and they pull in predatory insects that keep aphid and whitefly pressure down on nearby plants. Nasturtiums work as a trap crop, drawing aphids away from the salvia. Alyssum planted at 6-inch intervals along the border attracts hoverflies whose larvae eat aphids. Give Red Hot Sally a wide berth from black walnut — juglone leaching from the root zone stunts or kills it — and skip fennel as a neighbor too, since it suppresses most ornamentals it grows beside.
Plant Together
Marigolds
Repel aphids, whiteflies, and nematodes while attracting beneficial insects
Petunias
Deter aphids, tomato hornworms, and squash bugs with natural pest-repelling compounds
Nasturtiums
Act as trap crops for aphids and cucumber beetles while adding nitrogen to soil
Zinnia
Attract beneficial pollinators and predatory insects while providing complementary colors
Celosia
Share similar growing conditions and bloom times, creating attractive color combinations
Alyssum
Attract beneficial wasps and hoverflies that control aphids and other pests
Cosmos
Attract beneficial insects and provide structural contrast without competing for nutrients
Catnip
Repel mosquitoes, ants, and aphids with strong aromatic compounds
Keep Apart
Black Walnut
Produces juglone toxin that inhibits growth and can kill sensitive plants
Eucalyptus
Releases allelopathic compounds that suppress growth of nearby plants
Fennel
Produces allelopathic chemicals that inhibit germination and growth of most garden plants
Pests & Disease Resistance
Resistance
Good resistance to common fungal diseases
Common Pests
Aphids, spider mites, whiteflies
Diseases
Root rot in poorly drained soil, powdery mildew in humid conditions
Troubleshooting Salvia Splendens Red Hot Sally
What you'll see, why it happens, and what to do about it.
Tiny white or yellow stippling on leaves, often with fine webbing on the undersides, mid-summer
Likely Causes
- Spider mites (Tetranychus urticae) — thrive in hot, dry conditions above 85°F
- Water stress making the plant more susceptible
What to Do
- 1.Blast the undersides of leaves with a firm stream of water every 2-3 days to knock mite populations down
- 2.Apply insecticidal soap or neem oil in the early morning, coating leaf undersides thoroughly
- 3.Keep soil consistently moist — drought-stressed plants get hit harder
White powdery coating spreading across upper leaf surfaces, usually when nights are cool and days are humid
Likely Causes
- Powdery mildew (Erysiphe spp.) — spores spread by wind, worse with poor airflow and humidity swings
- Plants spaced closer than 8 inches, restricting air circulation
What to Do
- 1.Remove and trash (not compost) the worst-affected leaves immediately
- 2.Spray with a diluted potassium bicarbonate solution or a baking soda mix (1 tablespoon per gallon of water) on a dry morning
- 3.Next planting, keep spacing at the full 10-inch end of the range and avoid overhead watering
Plant wilting and yellowing from the base up despite adequate watering, roots appearing brown or mushy when pulled
Likely Causes
- Root rot caused by Pythium or Phytophthora spp. — triggered by waterlogged, poorly drained soil
- Heavy clay soil or containers without drainage holes
What to Do
- 1.Pull the affected plant — roots that are fully brown and mushy won't recover
- 2.Amend the bed with 2-3 inches of compost worked in 8-10 inches deep to improve drainage before replanting
- 3.In containers, switch to a mix with at least 25% perlite and confirm drainage holes are unobstructed