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Intensia® Red Hot Annual Phlox

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

$14.99
  • Light Requirement is Full Sun
  • Height 10-16 Inches
  • Width 10-16 Inches
  • Use as a filler when using in containers
  • Fragrant red flowers perfect for annual combination containers!

Nectar-loving butterflies and bees will thank you for adding this phlox to your garden. The large, bright-red, trumpet-shaped flowers bloom virtually all summer. The plant grows 10-12 inches high with a mounded habit. The gorgeous flowers are scented. Intensia® Red Hot loves the heat because this vigorous series of phlox was bred for heat and humidity tolerance. Also, it is tolerant of drought conditions.

Gardeners sometimes avoid phlox because the plant is susceptible to powdery mildew, but Intensia® Red Hot is mildew resistant, therefore a good choice. Phlox drummondii was discovered by Thomas Drummond in the early 1800’s in Texas. The popularity of this American native quickly spread to England and beyond. It is perfect for cottage gardens, for low water gardens, or xeriscapes. Use it in the landscape for edging, mass planting, and mixed borders. It works well in combination planters or try it in hanging baskets.

Intensia® Red Hot Annual Phlox Care

This easy-care plant would appreciate a spring application of fertilizer or compost on flower beds; fertilize pots more often. Do not apply an undue amount of fertilizer, however, and avoid high nitrogen that will lead to excessive leaf growth and delay flowering. Choose a fertilizer with a higher ratio of potassium for all your flowering plants.

Annual phloxes are self-cleaning, but you can deadhead if you don’t want them to self-seed. Some gardeners allow this, so they don’t need to plant them next year. Avoid over-watering. Plant them in loose, well-drained soil and mulch to conserve water. They adapt to a variety of soil conditions that drain well. Locate them in full sun, though they are tolerant of some afternoon shade. Choose a container with sufficient drainage to prevent root-rot, or poor crown growth.

Intensia® Red Hot Annual Phlox Spacing

In a 12-inch container you can space one phlox with two or three other plants. For example, combine one Intensia® Red Hot with one Chocolate Drop Solenostemon and two Lemon Coral® sedum. In the ground, space them 10-12 inches apart, from center plant to center plant.

Note that annual phloxes are not toxic, unlike perennial ones. Rabbit browsing can be a problem, however.

Intensia® Red Hot Annual Phlox Information

USDA Hardiness Zones: 10-11
Flower Color(s): Red
Bloom Period: Planting To Hard Frost
Foliage Color(s) Green
Light Exposure: Full Sun
Height Class: Short
Height: 10-16 Inches
Spread: 10-16 Inches
Spacing: 10-12 Inches
Habit: Mounded
Watering: Average
Drought Tolerant: Yes
Attracts: Butterflies
Container Role: Filler
Use Types: Border Plant, Edging Plant, Landscape, Mass Planting
Features: Native to North America, Continuous Bloom or Rebloomer, Deadheading Not Necessary, Pollinator Attractor
Maintenance: Easy
Scientific Name: Phlox drummondii 'Dphlox911' USPP 28,127, Can 5,500
Common Name: Intensia® Red Hot Annual 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.