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Rainbow Rhythm® King of the Ages Daylily

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Pre-Order for Spring of 2022 - Learn More

  • Partial Sun to Full Sun (At Least 5 Hours of Direct Sunlight)
  • Height 38 Inches
  • Width 1.5 - 2 Feet
  • Growing Zones 3-9

Prepare to be bowled over by this astounding daylily. ‘King of the Ages’ is aptly named with its regal height, enormous flowers, and magnificent coloring. It has 38-inch-tall scapes and large, 6.5-inch flowers. The fragrant blooms are a breathtaking fusion of buttery yellow, peach, and apricot with a burgundy eye and ruffled, burgundy edge. A repeat bloomer, it will bring color to your garden in mid-summer and again later in the season. Expect high performance from this tough, adaptable, award winner.

Rainbow Rhythm® 'King of the Ages' Hemerocallis resists leaf spot, root rot, and powdery mildew. It tolerates harsh conditions such as city pollution, juglone from black walnut trees, poor soils, and salt. It repels rabbits. This daylily grows well in pots, taking the role of thriller in a combination container. Use it in mass plantings or try pairing it with compact shrubs or ornamental grasses in the landscape. As an accent plant, it makes a fine specimen or focal point in the border.

Rainbow Rhythm® King of the Ages Daylily Care

Plant this easy-care daylily in well-drained soil and in a full-sun location. Incorporate organic matter for aeration, drainage, and fertility. Dig a hole twice as wide as the pot and be sure the crown of the plant is even with the soil level. Water thoroughly, then provide regular irrigation for optimum growth. 'King of the Ages' tolerates any type of soil and pH.

Cut back spent flower stems after flowering. No specific winter care is recommended as 'King of the Ages' has complete winter hardiness in northern zones. When growing them in containers, plant in a rich, soilless potting mix. If you are using a light-weight pot, you may want to place 2-3 inches of river rocks in the bottom first – this will prevent them blowing over when the plants are full grown. Water slowly until water comes out of the hole before placing the pot on a drip tray. Locate in full sun – at least six hours each day. Protect containers in the winter by placing them in an unheated garage or basement until they produce new shoots in the spring.

Rainbow Rhythm® King of the Ages Daylily Spacing

In the garden, space the plants 18-24 inches apart, from center plant to center. If planting in containers, large pots are best. They should be at least 24 inches in diameter.

Rainbow Rhythm® King of the Ages Daylily Information

USDA Hardiness Zones: 3-9
Plant Type: Perennial
Sunlight Exposure: Partial Sun to Full Sun
Mature Height: 38 Inches
Mature Width: 1.5 - 2 Feet
Plant Spacing: 1.5 - 2 Feet
Growth Habit: Upright
Flower Color(s): Yellow
Flower Shade: Butter-Yellow
Seasonal Interest: Early Summer to Fall
Foliage Type: Herbaceous
Foliage Color(s): Green
Attracts: Bees, Butterflies, Hummingbirds
Resists: Rabbits
Tolerates: Salt
Features: Attracts Pollinators, Cut Flowers, Fragrant, Low Maintenance, Continuous Blooming or Reblooming
Uses: Border Plant, Container, Mass Planting, Landscape
Plant Brand: Proven Winners
Botanical/Scientific Name: Hemerocallis x 'King of the Ages'

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.

4 Reviews - Rainbow Rhythm® King of the Ages Daylily Show Reviews

  • 5
    Nice Size Plants - one already has a...

    Posted by Doris Ressl on Jul 1st 2021

    These came as good size plants - one of them is ready to bloom.

  • 2
    Too small to tell what plant this...

    Posted by LauraTrammell N/A on Jun 13th 2021

    The size of real plant upon arrival is 2” tall. So only God knows what this plant is.

  • 5

    Posted by Valery Hardy on Jun 4th 2021

    My 2 plants arrived beautifully packaged and healthy. They are growing nicely. It’s too soon for blooms but I’m anxiously awaiting.

  • 5
    King of the Ages...

    Posted by Karla Robson on Jun 1st 2021

    I can't wait till this plant blooms. It arrived safe, sound, and healthy.