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Intensia® Blueberry Phlox

$14.99
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Pre-Order for Spring of 2022 - Learn More

$14.99
  • Height 10-16 Inches
  • Width 10-16 Inches
  • Use as a filler when using in containers
  • Great for kids to grow!

Phlox drummondii is a true annual, coming up from seeds every year. Native to Texas, this beautiful five petaled flower bursts open from spikey flower buds, and hovers over green foliage like little sun parasols. This warm season flowering annual attracts bees and butterflies and makes a wonderful childrens garden addition. Intensia Blueberry is a true blue flower with a darker blue throat, and a glowing orange stamen in the center. Such a fun color!

Native to North America in Zones 10a through 11b, this sun loving annual can grow just about anywhere once placed out after the danger of the last frost and will bloom until the first hard frost kills it. Unlike perennial phlox, phlox drummondii must be replanted year after year or allowed to go to seed for new flowers in the same place the next spring. It blooms in late summer to early fall.

Intensia Blueberry Phlox Care

Intensia Blueberry is an easy care annual. As long as the soil it is in is well draining, it will tolerate all soil types. It is a heavy feeder, requiring an all-purpose fertilizer to support the incredible show of flowers. It does prefer sandy soil, pH 5.8 to 6.2, and appreciates regular watering. It is heat and drought tolerant, and resists the powdery mildew that can plague perennial phlox. In extremely hot sunny regions, it will appreciate some light afternoon shade.

Deadheading is not required to keep Intensia Blueberry producing flowers all season long. P. drummondii self cleans its spent flowers. This is not true of all phlox, however, as some phlox will slow and eventually stop blooming unless you deadhead to extend the bloom season. If you would like to prevent it from going to seed, snipping the spent flowers will do that for you.

Intensia Blueberry Phlox Spacing

This upright annual will grow to about 16 inches tall and spread 16 inches wide. Keep that in mind if you want to use it in containers. Proper spacing of 8 to 10 inches creates proper air circulation and helps reduce any powdery mildew from forming. Pair this lovely blue annual with daisies, colorful grasses, petunia and other sun loving annuals for a colorful fall display.

Intensia® Blueberry Phlox Information

USDA Hardiness Zones: 10-11
Flower Color(s): Blue, Purple
Bloom Period: Planting To Hard Frost
Foliage Color(s) Green
Light Exposure: Full Sun
Height Class: Medium
Height: 10-16 Inches
Spread: 10-16 Inches
Spacing: 8-12 Inches
Habit: Mounded
Watering: Average
Drought Tolerant: Yes
Attracts: Butterflies
Container Role: Filler
Use Types: Container, Landscape
Features: Native to North America, Fall Interest, Deadheading Not Necessary, Pollinator Attractor
Maintenance: Easy
Scientific Name: Phlox drummondii 'USPLX60306' USPP 21,646, Can 4,144
Common Name: Intensia® Blueberry Phlox
Other Name(s): Drummond'S Phlox
Plant Type: Annual
Brand: Proven Winners

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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.