Red Cluster Bottlebrush

$72.99
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BOTTRC
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$72.99
  • Full Sun (At Least 6 Hours Of Direct Sunlight)
  • Mature Height 12 - 15 Feet
  • Mature Spread 12 - 15 Feet
  • Growing Zones 8 - 10

The Red Cluster Bottlebrush or Callistemon rigidus 'Clemson Hardy' is a blooming shrub that makes a statement all year long. Glossy, oblong green foliage comes to a point and sticks with this evergreen plant throughout the year. During the spring, summer, and fall, clusters of red flowers with thin, wispy petals appear along the branches. The blooms bear a striking resemblance to bottlebrushes and inspire the name. The fuzzy flowers add texture and vivid color to a landscape.

This plant is native to Australia, so that it can live very comfortably in somewhat challenging conditions. In the U.S., the Red Cluster Bottlebrush is a perennial in zones 8 through 11. Established plants are drought- and heat-tolerant and require very low maintenance. Thanks to its bold blooms, this plant is commonly used in a hedge, to create a screen planting, or as an accent. Butterflies and hummingbirds are known to be attracted to this tree-like shrub that is also deer resistant.

Red Cluster Bottlebrush Plant Care

Plant the Red Cluster Bottlebrush in the full sun using well-draining soil. Newly planted Bottlebrush plants need water when the top few inches of the soil dry out. Established plants are drought-tolerant and only need water during an extended dry spell. 

Prune in early spring to maintain a neat appearance and promote full and dense growth. Feed the plant using a balanced fertilizer in the spring to encourage more flowers.

Red Cluster Bottlebrush Plant Spacing

This is a large plant and, once mature, Red Cluster Bottlebrush can be 12 to 15 feet tall and 8 to 10 feet wide. When planting with other plants, space everything 4 to 6 feet apart to create a dense hedgerow. Plants can be spaced further apart if you do not want a hedge-like look.

Red Cluster Bottlebrush Information

USDA Hardiness Zones: 8 - 10
Plant Type: Bushes
Light Exposure: Full Sun (At Least 6 Hours Of Direct Sunlight)
Mature Height: 12 - 15 Feet
Mature Spread: 8 - 10 Feet
Spacing: 4 - 6 Feet
Habit: Upright
Flower Color(s): Red
Flower Description:
Bloom Period: Spring To Fall
Foliage Type: Deciduous
Foliage Color(s): Green
Foliage Description:
Seasonal Interest: Spring Flowering, Fall Flowering
Watering: Low
Resists: Deer
Tolerates: Heat, Drought, Salt
Attracts: Birds, Butterflies
Container Role:
Uses: Hedges & Privacy, Wildlife Gardens
Features: Attracts Pollinators, Deadheading Not Necessary, Low Maintenance
Brand: Southern Living Plants
Common Name: Red Cluster Bottlebrush
Other Name(s):
Scientific Name: Calistemon rigidus 'Clemson Hardy'

Container Sizes

Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on; type of plant, time of year, last pruning & many other factors.

4.5 Pot

4.5" Pot
 Also Know As:
   4.5" Container

 Plant Age:
   ~ 6 months
 Plant Size:
   ~ 3"-6"
 Pot Size:
   ~ 4.5"H x 3.75"W
 Volume:
   1.42 quarts

Quart Pot

Quart Pot
 Also Know As:
   Quart

 Plant Age:
   ~ 1 year old
 Plant Size:
   ~ 4"-8"
 Pot Size:
   ~ 4.75"H x 4.5"W
 Volume:
   1.50 quarts

2.5 Quart

2.5 Quart
 Also Know As:
   2.5 Quart Pot

 Plant Age:
   ~ 1.5 year old
 Plant Size:
   ~ 8"-12"
 Pot Size:
   ~ 6.5"H x 6.5"W
 Volume:
   2.20-2.30 quarts

#1 Pot

#1 Pot
 Also Know As:
   #1 Container
    1 Gallon
 Plant Age:
   ~ 2 year old
 Plant Size:
   ~ 10"-14"
 Pot Size:
   ~ 7"H x 7.75"W
 Volume:
   2.26-3.73 quarts

#2 Pot

#2 Pot
 Also Know As:
   #2 Container
    2 Gallon
 Plant Age:
   ~ 2-3 year old
 Plant Size:
   ~ 12"-18"
 Pot Size:
   ~ 9.5"H x 9.5"W
 Volume:
   1.19-1.76 gallons

#3 Pot

#3 Pot
 Also Know As:
   #3 Container
    3 Gallon
 Plant Age:
   ~ 3-4 year old
 Plant Size:
   ~ 12"-30"
 Pot Size:
   ~9.5"H x 11"W
 Volume:
   2.32-2.76 gallons


For more detailed information, please click here.

Plant Addict Guarantee (Included On All Plant Orders)

Plant Addicts guarantees your plant(s) will arrive happy and healthy, but the plant(s) are being shipped through the mail and accidents happen. If the plant is dead, has dried out roots or the incorrect item was shipped just notify Plant Addicts within 3 days upon delivery. We may ask for pictures but will try to make it as easy as possible for you. Please note plant(s) with damaged branches or wilted leaves will not qualify for this guarantee. Plants are very resilient and will rebound quickly when cared for correctly.

For information on how to care for you new plant please check out our guide. Guide: How to Care for Your New Plant(s)

Plant Addicts Warranty - 1 Year (Extra Purchase Required)

We encourage all plant lovers to purchase the Plant Addicts Warranty whether you’re new or an expert. There are many variables outside our control and yours that can cause the demise of your plant(s). Examples would be hungry animals, drought, poor soil conditions, over watering, disease, insects & many other factors. The Plant Addicts Warranty is a 1 year warranty protecting you from all the unknowns and will replace your plant if it moves on to the plant afterlife.

The warranty is purchased on a per plant basis and must be purchased at the same time as the plant purchase. We will cover 100% of the price of the plant but the warranty does not cover shipping cost. Simply let us know if your plant has died within one year of receiving it and we’ll get you a new one shipped out. We may ask for photos for documentation purposes but again we’ll try to make it as easy as possible.

For more information, please go to our Shipping & Returns page at the bottom of the website.

Guide: How to Care for Your New Plant(s)

Planter Shipping

Standard Colors: 2-3 business days

Special Order Colors: 8 weeks - this is due to the planter being custom made with the color(s) of your choice

Please Note: On special orders there can not be any cancellations

Plant Shipping

Time of Order:

Summer Shipping

  • If there is extreme heat we’ll delay shipping.  
    • We’ll have to review what areas the plants are traveling through along with your location


Once your plant is shipped you’ll receive an email with tracking information. Depending on the above criteria we’ll ship your plant(s) towards beginning of the following week from your order. We put together this helpful guide of what to do when you receive your plants in the mail.

It is important to know that all of our plants are clearly labeled for which growing zones the plant can survive in. The plants are thoroughly trialed and tested in every growing zone before we state the plant can grow in a zone. Again, our #1 priority is to ship the plants to you healthy and ready to thrive in your location. So we will do everything in our power to do so.