Azure Skies™ Bigleaf Hydrangea
Hydrangea macrophylla 'COF HM1’
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Azure Skies™ Bigleaf Hydrangea - #3 Container is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
Delivery and Shipping
Fast, Safe Plant Delivery
Ships in 3-4 business days • Tracking provided • Weather protected
| Under $50 | $9.99 |
| $50 - $99.99 | $14.99 |
| $100 - $149.99 | $16.99 |
| $150+ | $24.99 |
✓ Zone-specific timing • ✓ Professional packaging • ✓ Health guarantee
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 Highlights
Azure Skies™ Bigleaf Hydrangea highlights at a glance!
Specifications
Specifications
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Brand
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Botanical Name
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Growing Zones
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Mature Height
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Mature Spread
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Moisture
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Soil
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Growth RateMedium
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Fall Color
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Pollinator Friendly
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Pruning Time
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Bloom PeriodSummer
Growing Zones 5-8
Introducing to you the one and only Azure Skies™ Bigleaf Hydrangea bush (Hydrangea macrophylla 'COF HM1'). If you haven't guessed, it has big leaves and even bigger blooms! These flowers are known for making excellent cut flowers that are long-lasting! Who doesn't love a big blue Hydrangea?
These bloom in the early summer and again in late summer. You can expect these rounded mophead flowers all season long. Hydrangea bushes are extremely popular, maybe even the most popular bush! Their striking good looks and heavy blooms are the reason for this! Sturdy stems resist flopping and handsome foliage is quilted and toothy. Overall, these are highly ornamental flowering bushes for almost any landscaping project!
Like we said before, these strong and large flowers create a gorgeous cut flower. People love decorating their homes or desks with this pretty flower. An interesting aspect of this Bigleaf Hydrangea is the flower color. You can basically decide what you want! If you want a blue flower, plant them in acidic soils. If you want a fun pink flower, plant in a higher pH! Isn't that fun! Which will you choose? Pink or Blue Hydrangea?
Planting and Application:
This Bigleaf Hydrangea is most commonly used for hedges, mixed borders, cutting gardens, and as a backdrop to your perennial border. The size of this Hydrangea bush varies depending on your climate. Usually, this plant is around 5-6 feet tall but can be maintained smaller. There are endless possibilities!
Hedges, privacy and screening, rows along your property edges or along your home's foundation! Plant staggered rows as backdrops along garden beds and borders, or just have fun and plant clusters for bird-friendly mass plantings! The color is enough to be a fantastic focal point and they are tidy sentries for placing on either side of a set of stairs or astride your driveway!
- Blue or Pink Depending on pH
- Big Mophead Flower Clusters
- Dark Green Foliage & Yellow Fall Color
- Mid-Sized Compact Shrub
- Hedge, Cut Flower, Specimen & Large Planter
#ProPlantTips for Care
Hydrangea care is simple and easy. You'll look like a gardening pro! The Azure Skies™ Bigleaf Hydrangea thrives in zones 5-8. Need to find your hardiness zone? Use our map to locate yours! Have a shady corner in your yard that only gets light a few hours a day? Perfect! This Hydrangea will love this spot. They thrive in partly shaded locations! Plant your new bush in well-drained soil. This is preferred among most plants as it will hold enough moisture, but not keep too much to where your roots will drown.
- Part Shade/Partial Sun
- Consistently Moist Well-Drained Soil
- Prune Bigleaf Hydrangea After Flowering
- Blooms on New Wood
- Highly Adaptable Hardy & Carefree Once Established
Azure Skies™ Bigleaf Hydrangea is not going to remain in stock for long! Hurry and order this unique blue flowering ornamental from the Hydrangea experts at NatureHills.com!
