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Proven Accents® Plum Dandy Alternanthera

Proven Selections

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  • Height 10-16 Inches
  • Width 12-20 Inches
  • Use as a filler when using in containers
  • Can be grown indoors or outside!

Alternanthera is an improved hybrid of the low growing plant commonly known as alligator weed. This plant will not take over your garden, it is a beautiful plum colored foliar that is used in landscapes and container gardens for its intense color and form. Plant in large containers as an alternative to ipomoea for a smaller leaf display. Its whorls of purple green leaves reach for the sky in full sun to light shade gardens.

Native to temperate regions of South America Zones 10a to 11b, Plum Dandy alternanthera will grow as an annual in Zones 3-9. It is not tolerant of frost so set it out after danger of the last frost for best performance. It tolerates heat, but appreciates a little afternoon shade in hot regions with long hot afternoon sun. It makes a beautiful house plant over winter and provides much needed color in your window garden.

Proven Accents Plum Dandy Alternanthera Care

This hybrid annual falls in the easy to maintain category. Average soil needs, average watering schedule, soil pH of 5.5 to 5.8, slightly acidic, are all it needs to provide you with deep rich purple foliage for your garden. It is not susceptible to many plant diseases and insects don’t seem to bother it. It has insignificant small white flowers but is grown for its purple foliage.

Deadheading is not necessary, but a good shearing once or twice a season will keep it shapely and within its bounds. Its medium mounding habit makes it a great compliment to tall grasses in your perennial garden. It thrives in high light environments and may get leggy if not given enough sun during the day.

Proven Accents Plum Dandy Alternanthera Spacing

Topping out at 16 inches and spreading up to 20 inches, space plantings about 12 to 14 inches apart to allow good airflow, a necessity for most annuals and perennials. Pair this mounding annual with penistemon, lantana, petunia, helichrysum, verbena, vinca and tall accent grasses for an outstanding spring to fall display.

Proven Accents® Plum Dandy Alternanthera Information

USDA Hardiness Zones: 10-11
Flower Color(s): Grown for Foliage
Foliage Color(s) Purple
Light Exposure: Partial Sun to Full Sun
Height Class: Medium
Height: 10-16 Inches
Spread: 12-20 Inches
Spacing: 12-14 Inches
Habit: Mounded
Watering: Average
Drought Tolerant: No
Container Role: Filler
Use Types: Container, Landscape
Features: Foliage Interest
Maintenance: Easy
Scientific Name: Alternanthera hybrid 'Plum Dandy'
Common Name: Proven Accents® Plum Dandy Alternanthera
Other Name(s): Alligator weed
Plant Type: Annual
Brand: Proven Selections

Click here for more information on plant container sizes.

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.