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Cardinal Red Hydrangea
'Cardinal' is a mophead Hydrangea that produces dark, cardinal-red flowers with serrated edges on each petal. Scroll down for more details! Note: If we are sold out of Cardinal Red Hydrangea check to see if we have Charm Red Hydrangea or Glowing Embers Hydrangea, two other varieties we think are the same as Cardinal Red.

Cardinal Red Hydrangea

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Note: If we are sold out of Cardinal Red Hydrangea check to see if we have Charm Red Hydrangea or Glowing Embers Hydrangea, two other varieties we think are the same as Cardinal Red. 


Cardinal Red Hydrangea
Hydrangea macrophylla 'Cardinal'

USDA Plant Hardiness Zones: 6a-9b  Find Your Zone

Note: For our customers who live and garden north of USDA Cold Hardiness Zone 6a, where this Hydrangea is not winter hardy, you'll be happy to know that it can be grown in containers that can be brought indoors during winter and place back outside when temperatures warm up in spring.



Special Attributes

'Cardinal' is a mophead Hydrangea that produces dark, cardinal-red flowers with serrated edges on each petal. Flowers are a standout in the garden during summer and can then be cut and dried for use in dried flower arrangements. The leaves are beautiful green and turn a lovely purple in the fall. Cardinal is a fast growing Hydrangea when all grown up reaches about 4-5 feet in height with an equal width in just 3 to 5 years.



Landscape & Garden Uses

Growing naturally 4 to 5 feet tall and wide in a rounded mound, Cardinal Red Hydrangea is a great cultivar for garden beds or container culture. It provides great texture and color as an accent in home foundation plantings and in flowering shrub borders and perennial gardens. It is especially stunning in small to large groupings or as a dramatic, colorful hedge.

Spacing:  3-4' for solid hedges;  8' or more for space between plants




Cultural Preferences

Cardinal Red Hydrangea are easy to grow in average, moist, well-drained soil. The plants will tolerate full sun in northern zones however will appreciate some afternoon shade or filtered sun in warmer southern zones. We recommend at least 5 hours of direct sunlight per day or all day lightly filtered sun for best flowering. Mophead-type Hydrangea produce blooms only on old wood (growth from the previous year). This means that even though it is tempting to cut them back in the winter, when they are only bare sticks jutting out of the ground, don't do it. The flower buds are already formed and hidden in those bare sticks, so don't cut them off if you want flowers! 

Note:  Cardinal Red is a Hydrangea macrophylla species that produces its flowers from buds that formed on "old wood" (during the previous year). This means that even though it is tempting to cut them back in the winter, when they are only bare sticks jutting out of the ground, don't do it. The flower buds are already formed and hidden in those bare sticks, so don't cut them off if you want flowers.

Get tips for proper pruning time and technique in our article titled How To Prune Various Types Of Hydrangea



Helpful Articles

Click on a link below to get advice from our experts on how to plant and care for Hydrangea shrubs...






Plant Details 

USDA Plant Hardiness Zones: 6a-9b  Find Your Zone
Shrub Type:  Deciduous Flowering Shrub
Height at Maturity:  4-5'
Width at Maturity: 4-5'
Growth Habit / Form:  Bushy, Dense, Globose/Round, Mounding
Flower Color:  Deep Red
Flower Size:  Large - up to 6-8" inch diameter
Flowering Period:  Summer
Flower Type:  Single in large clusters
Fragrant Flowers:  No
Foliage Color:  Green
Fragrant Foliage:  No
Berries:  NA
Berry Color:  NA
Sun Needs:  Part Shade (South) - Sun or Part Shade (North)
Water Needs:  Average, Lower when established
Soil Type:  Clay (amended), Loam, Sand (amended), Silt 
Soil Moisture / Drainage:  Well Drained Moist
Soil pH:  6.0 - 8.0 (Moderately Acid to Moderately Alkaline)
Maintenance / Care:  Low
Attracts:  Visual Attention
Resistances:  Deer, Disease, Drought (when established in part shade), Heat, Humidity, Insect



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