How to Grow Sensation Mixed
Wikimedia Commons
Sensation Mixed
Impatiens walleriana 'Sensation Mixed'
flowerSensation Mixed is a vibrant annual impatiens variety featuring bold, large flowers in a striking blend of red, pink, orange, and white colors, often with contrasting bicolors. These compact, bushy plants produce prolific blooms throughout the growing season and are ideal for shaded garden beds, containers, and hanging baskets. Known for their reliable performance and continuous flowering, they bring reliable color to areas where sun-loving plants struggle.
When should you plant Sensation Mixed in your zone?
Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.
Example Sensation Mixed timeline · Pittsburgh, PA (Zone 6b)
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Plant Sensation Mixed
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Sensation Mixed blooms
Around May 27≈ 40 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Sensation Mixed dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives as an annual in zones 2-11; perennial in zones 10-11
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Seedling
2-3 weeksTiny seedlings emerge with two cotyledons and develop first true leaves within 7-10 days
Keep soil moist, provide bright indirect light, maintain 70-75°F temperature, ensure good air circulation to prevent damping off
Vegetative/Transplant Ready
3-4 weeksSmall plants develop 3-4 true leaves and begin forming compact bushy structure
Thin seedlings early, pot up individually when 1-2 inches tall, begin weekly fertilizing with dilute liquid fertilizer, pinch tips to encourage branching
Pre-flowering/Establishment
2-3 weeksPlants grow fuller with multiple stems and reach transplant size (4-6 inches tall), buds begin forming at stem tips
Harden off transplants before outdoor planting, continue pinching if needed for bushier shape, maintain consistent moisture and light
Flowering
8-12 weeks until frostLarge 1.5-2 inch flowers bloom continuously in vibrant mixed colors with bicolor patterns; plant becomes mounded and floriferous
Deadhead spent flowers to encourage more blooms, maintain consistently moist soil, feed every 2 weeks with balanced fertilizer, ensure adequate shade in hot climates
End of Season
Variable, until first hard frostFlower production slows as days shorten and temperatures cool toward frost; plants may decline in quality
Pull plants before first frost, save seeds if desired (they self-pollinate), mulch beds for next season's planting
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity by misting, use strong water spray to dislodge, apply insecticidal soap, ensure good air circulation
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Use yellow sticky traps, spray with neem oil or insecticidal soap, remove heavily infested leaves, maintain good air movement
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Remove by hand with alcohol-dipped cotton swab, apply insecticidal soap, isolate affected plants, repeat treatments every 7-10 days
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No cure; remove and destroy affected plants, control thrips vectors with yellow sticky traps, use disease-resistant varieties when available
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and
Hand-pick early morning or evening, create barriers with copper tape or diatomaceous earth, set beer traps, remove debris and mulch where they hide
Uses
Garden Color & Landscaping
HouseholdSensation Mixed impatiens are excellent for adding vibrant color to shaded garden beds, borders, woodland gardens, and partially shaded areas where few other annuals thrive. Their mixed color palette provides dynamic visual interest without additional planting. [source]
Container & Basket Growing
HouseholdTheir compact, mounding habit and prolific flowering make them ideal for containers, window boxes, hanging baskets, and patio planters. They perform exceptionally well in mixed container plantings. [source]
Pollinator Support
WildlifeThe abundant flowers attract hummingbirds, butterflies, and other pollinators, making them valuable for supporting wildlife populations in shade gardens. [source]
Cut Flower Arrangements
HouseholdThe vibrant, long-lasting flowers can be harvested and used in fresh arrangements, though they're more commonly enjoyed in the garden. [source]
Harvest Tips
Deadhead flowers regularly by pinching off spent blooms just below the flower; this encourages continuous blooming throughout the season. For seed saving, allow flowers to mature and pods to dry on the plant (they'll explode when ripe releasing seeds).
Fun Facts
- 🌱 The name 'impatiens' comes from the Latin word for 'impatient,' referring to how the ripe seedpods explosively scatter seeds when touched
- 🌱 Sensation Mixed blooms are significantly larger than species impatiens, with flowers reaching 1.5-2 inches across, making them a showy improvement over traditional varieties
- 🌱 Impatiens are the most shade-tolerant flowering annual, thriving in areas with as little as 2 hours of indirect sunlight per day
Gardening Terms
New to gardening? Learn about terms used in this guide:
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