Summer Nights Sunflower Heliopsis

Heliopsis helianthoides 'Summer Nights'

$55⁶²

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Plant Size

#2 Container

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Understanding Plant Options

Nature Hills offers plants in two main formats:

Container Plants: Grown in pots with soil, sized by container volume and plant age
Bare Root Plants: Dormant plants without soil, sized by height measurements

Container Plant Sizes

Container sizes indicate plant age and growing capacity rather than liquid volume equivalents. Our containers follow industry-standard nursery "trade gallon" specifications, which differ from standard liquid gallon measurements.

Young Plants (6 months to 18 months old)

Container Size	Actual Volume	Metric Equivalent
2" x 2" x 3"	0.18 - 0.21 dry quarts	0.20 - 0.23 dry liters
4" Container	0.31 - 0.87 dry quarts	0.35 - 0.96 dry liters
4.5" Container	0.65 dry quarts	0.72 dry liters
6" Container	1.4 dry quarts	1.59 dry liters
1 Quart	1 dry quart	1.1 dry liters
5.5" Container	1.89 dry quarts	2.08 dry liters

Established Plants (18 months to 2.5 years old)

Container Size	Actual Volume	Metric Equivalent
2 Quart	2 dry quarts	2.2 dry liters
#1 Container	2.26 - 3.73 dry quarts	2.49 - 4.11 dry liters
5" x 5" x 12"	3.5 - 4.3 dry quarts	3.85 - 4.74 dry liters

Mature Plants (2-4 years old)

Container Size	Actual Volume	Metric Equivalent
#2 Container	1.19 - 1.76 dry gallons	5.24 - 7.75 dry liters
#3 Container	2.15 - 2.76 dry gallons	8.14 - 12.16 dry liters

Large Plants (3-5 years old)

Container Size	Actual Volume	Metric Equivalent
#5 Container	2.92 - 4.62 dry gallons	12.86 - 20.35 dry liters
#6 Container	5.25 - 6.01 dry gallons	23.12 - 26.42 dry liters
#7 Container	5.98 - 6.53 dry gallons	26.34 - 28.76 dry liters

Bare Root Plants

Bare root plants are sold by height from the root system to the top of the plant. Plants may exceed minimum height requirements.

Common Sizes:

Trees: 1 foot, 2 feet, 3 feet, 4 feet, 5 feet, 6 feet
Shrubs & Perennials: 1 foot, 18 inches, 2 feet

Important Notes

Container Volume Specifications

Trade Gallon Standard: Our containers follow industry-standard "trade gallon" specifications established by the American National Standards Institute (ANSI Z60.1) for nursery stock
Volume Variations: Actual soil volume may vary due to plant root systems and growing medium settlement
Age Indicators: Container size primarily indicates plant age and maturity rather than liquid volume equivalents

Growing Conditions

Plant size can vary based on variety and growing conditions
Container size helps indicate plant maturity and establishment level
Larger containers generally mean more established root systems and faster landscape establishment

Seasonal Availability

Bare root plants are available seasonally when dormant
Container plants are available throughout the growing season
Specific varieties may have limited availability in certain sizes

Questions?

For questions about specific plant sizes or availability, please contact our plant experts who can help you choose the right size for your landscape needs.

Plant Profile & Growing Essentials

Cold hardy, Low Maintenance, Native, Flowering, Reblooming, Deer-resistant, Heat Tolerant, Drought resistant, Attracts Butterflies, Attracts pollinators, and Non-invasive

Specifications

Botanical Name

Heliopsis helianthoides 'Summer Nights'
Height

2-3 ft
Width

2-3 ft
Growing Zones

3-9
Sunlight
- Full sun
Growth Rate

Fast
Flower Color
- Yellow
Leaf Color
- Green
Native

Yes
Pollinator Friendly

Yes
Bloom Period

Early Summer, Late Summer, Early Fall, Late Fall
Does Not Ship To

AK, HI, ID, MT, OR

Planting & Care

Where to Plant

Sunlight: This perennial thrives in full sun, requiring at least 6 to 8 hours of direct light daily. While it can tolerate light partial shade, you will notice sturdier stems and a much deeper "burning ember" color in the foliage if it stays in the brightest spot possible.
Soil: It prefers well drained soil but is famous for its ability to handle tough clay better than most perennials. If your soil is heavy, mix in some organic compost at planting to improve drainage and prevent the roots from sitting in stagnant water during winter.

Watering Requirements

For the first growing season, provide about one inch of water per week to help the root system anchor itself deep into the soil. Once established, Summer Nights is remarkably drought tolerant and can handle dry spells without wilting. If you let it get too dry during the peak of summer, you might see smaller flowers and some leaf drop, so a consistent deep soak during heat waves keeps the bloom count high.

Pruning Tips

Since this plant blooms on new wood grown during the current season, you should cut the entire plant back to about two inches above the ground in late winter or very early spring. Think of this like a fresh start that encourages a flush of strong, dark stems and prevents the plant from becoming too leggy or woody. Deadheading spent flowers throughout the summer will signal the plant to keep producing new buds rather than putting its energy into making seeds.

Fertilizer Needs

Apply a balanced, slow release fertilizer once in early spring as soon as you see new purple shoots emerging from the ground. Avoid using high nitrogen fertilizers late in the summer because this forces soft, succulent growth that is easily damaged by the first frost. A single application of a general purpose 10-10-10 formula provides all the fuel needed for a full season of golden blooms.

Summer Nights Sunflower Heliopsis

Summer Nights Sunflower Heliopsis (Heliopsis helianthoides 'Summer Nights') is a vibrant, long-blooming perennial that brings golden-yellow daisy-like flowers with rich red-orange centers to your garden all summer long. Its deep burgundy stems add striking contrast, creating a stunning display in mixed borders, pollinator gardens, and wildflower meadows.

This drought-tolerant, easy-care perennial thrives in full sun, producing continuous blooms from early summer through fall. Perfect for attracting bees, butterflies, and hummingbirds, Summer Nights Sunflower Heliopsis is deer-resistant, making it an ideal low-maintenance addition to any landscape.

Key Features of Summer Nights Heliopsis

Bright Golden and Orange Blooms – The yellow petals are contrasted by deep orange-red centers and burgundy stems, adding dimension and beauty.
Long Blooming Season – Flowers from early summer to frost.
Drought & Heat Tolerant – Thrives in full sun with minimal water once established.
Pollinator-Friendly – Attracts bees, butterflies, and hummingbirds.
Deer & Rabbit Resistant – Foliage and stems naturally deter browsing animals.
Compact & Upright Growth – Perfect for borders, containers, and cottage gardens.
Easy to Grow – Low-maintenance perennial that returns year after year.

Landscaping Uses For Sunflower Heliopsis

This versatile, colorful perennial enhances a variety of garden styles with its long-lasting blooms and striking foliage. Use these perennial Sunflowers to:

Create Vibrant Borders – Perfect for adding height, texture, and continuous color to flower beds.
Enhance Pollinator Gardens – A must-have for butterfly gardens, providing nectar for bees, butterflies, and hummingbirds.
Naturalize in Meadows or Prairie Gardens – Blends beautifully with native wildflowers and ornamental grasses.
Add Height to Mixed Perennial Beds – Its 2-3-foot height adds structure and contrast.
Brighten Up Cottage Gardens – Complements traditional perennials like Coneflowers, Black-Eyed Susans, Russian Sage, Asters, and Salvia.
Plant in Containers for Patio Displays – Great for large pots and planters to create season-long floral impact.
Fill Tough, Dry Areas – Thrives in drought-prone, Xeric landscapes where other flowers may struggle.

Growing & Care Tips

These are easy-to-grow perennials once established throughout USDA planting zones 3 to 9. Get them off on the right foot with these tips:

Sunlight: Full sun ( at least 6+ hours of direct sunlight daily).
Soil: Well-drained, moderately fertile soil.
Water Needs: Water regularly when young, drought-tolerant once established.
Pruning: Deadhead spent blooms to encourage reblooming. Cut back in late fall or early spring and remove old foliage and stems.
Spacing: Plant 18–24 inches apart for best airflow and growth.
Mulch: Top-dress with 3-4 inches of mulch around the root system.

Order Your Summer Nights Sunflower Today!

Add vibrant color, pollinator appeal, and long-lasting blooms to your garden with Summer Nights Sunflower Heliopsis. Order now to enjoy this low-maintenance, high-impact perennial in your landscape! Now available at Nature Hills Nursery!

Frequently Asked Questions About Heliopsis

Is Summer Nights Sunflower Heliopsis a perennial?
Yes! This hardy perennial returns each year, providing long-lasting color and beauty.

Does Summer Nights Heliopsis attract pollinators?
Absolutely! The bright, nectar-rich blooms are a favorite of bees, butterflies, and hummingbirds.

Is this plant deer-resistant?
Yes, Summer Nights Sunflower Heliopsis is naturally deer and rabbit-resistant due to its sturdy stems and textured foliage.

How tall does Summer Nights Sunflower Heliopsis grow?
It typically grows 2 to 3 feet tall with a bushy, upright habit, making it perfect for borders and mixed garden beds.

Can Summer Nights Sunflower Heliopsis be grown in containers?
Yes! Its compact, upright growth makes it an excellent choice for large pots and patio planters.

How do I encourage more blooms?
Regular deadheading (removing spent flowers) encourages continuous blooming from early summer to frost.

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Summer Nights Sunflower Heliopsis

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