Year of the Impatiens

From stunning window boxes to lush botanical displays, the highly adaptable Impatiens genus brings vibrant color and joy to gardens worldwide, proving itself a timeless favorite.

Overview and History
Popular Impatiens
Growing Vibrant Impatiens in Your Garden
10 Impatiens Garden Tips
Where to Buy

Overview and History

The enchanting Impatiens genus, with over 1,000 species, represents one of nature’s most vibrant and diverse flowering families. These “Touch-me-nots” first captured botanical interest in the late 1500s, when European explorers discovered them in East Africa and South Asia.

The name “Impatiens” comes from their fascinating seed dispersal mechanism – their ripe capsules burst at the slightest touch, ingeniously spreading seeds up to 20 feet away!

While most people know the common garden varieties, some spectacular species grow as tall as small trees in the mountains of New Guinea, while others thrive in the mist-shrouded valleys of Southeast Asia.

The first downy mildew epidemic that devastated Impatiens walleriana in the US was officially documented in 2011, leading to significant changes in breeding programs and resulting in two series of IDM-resistant impatiens, Imara XDR and Beacon.

Today, these adaptable plants bring joy to gardens worldwide, from humble window boxes to elaborate botanical displays, continuing to inspire new breeding breakthroughs.

Year of the Impatiens - National Garden Bureau

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Growing Vibrant Impatiens in Your Garden

Light Requirements:

Traditional varieties thrive in deep to partial shade
New Guinea Impatiens prefer partial sun
SunPatiens can handle full sun exposure

Best Soil:

For best results, plant in rich, well-draining organic soil with a pH between 6.0-6.5, incorporating compost and slow-release fertilizer during preparation.
Proper spacing is crucial:
- Traditional – 8-12 inches
- New Guinea – 12-15 inches
- SunPatiens – 14-24 inches

Water Management:

Keep soil consistently moist but not waterlogged
Watering at soil level in the morning
Use mulch to retain moisture

Fertilization:

Feed monthly with a balanced 15-15-15 fertilizer
Weekly dilute feeding for container plants

Prevent Diseases:

Ensure good air circulation
Promptly remove any diseased foliage
Keep tools clean between plantings

Regular Maintenance:

Deadhead spent blooms
Pinch back leggy growth
Remove yellowed leaves

Container Growing:

Always use pots with adequate drainage holes
Use a quality mix
As the season changes, protect plants from early and late frosts.
Reduce watering during cooler weather

Musica® Electric Bicolor Pink

Spectra® White

Roller Coaster Red Racer

Beacon® Blue Pearl

10 Impatiens Growing Tips

1. Light matters! Traditional Impatiens love shade, while SunPatiens can rock full sun – know your variety before planting.

2. Want happy Impatiens? Plant them in rich, well-draining soil with a pH between 6.0-6.5 and watch them thrive!

3. Pro tip: Water your Impatiens at the soil level, not overhead, and keep the soil consistently moist for best results.

4. Give your Impatiens room to grow! Traditional varieties need 8-12 inches of space, while SunPatiens need 14-24 inches.

5. Feed your Impatiens monthly with balanced fertilizer (15-15-15), but container plants might need weekly feedings or a dose of slow-release fertilizers.

6. Prevent disease in your Impatiens by ensuring good air circulation and promptly removing any diseased foliage.

7. Keep your Impatiens looking fresh by regular deadheading and pinching back leggy growth – they’ll reward you with more blooms!

8. Container growing tip: Always use pots with drainage holes and quality potting mix for healthy Impatiens.

9. Protect your Impatiens from late spring and early fall frosts by monitoring weather forecasts and covering when needed.

10. Yellow leaves on your Impatiens? Check your watering and fertilizing routine – they’re telling you something’s not quite right!

Learn More About Impatiens

Side Spaces: How to Create Colorful, Inviting Garden Spaces in Your Side Yard by National Garden Bureau
Growing Impatiens from Seed by Burpee
Impatiens Planting and Care Guide by Outsidepride.com
Impatiens, New Guinea by Costa Farms

Purchase at NGB Member Online Stores and at Your Local Garden Retailer

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The National Garden Bureau recognizes and thanks the human experts at Syngenta Flowers, an NGB member, for their authorship and contributions to this fact sheet.

This fact sheet is provided as an educational service of the National Garden Bureau. There are no limitations on the use. Please credit National Garden Bureau, and link to this page, when using all or parts of this article or referencing the Year of the program.

Each state in the U.S. has its own list of invasive species. Before trying a new plant in your garden, refer to the USDA’s National Invasive Species Information website or check with local agencies such as an Extension specialist.

Please consider our NGB member companies as authoritative sources for information. See the NGB Member Directory for details about our members. Shop Our Members for seed and plant sources.

Year of the Impatiens

From stunning window boxes to lush botanical displays, the highly adaptable Impatiens genus brings vibrant color and joy to gardens worldwide, proving itself a timeless favorite.

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