Big Bang™ Cosmic Eye Tickseed

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  • Full Sun (At Least 6 Hours Of Direct Sunlight)
  • Mature Height 12 - 15 Inches
  • Mature Spread 12 - 15 Inches
  • Growing Zones 5 - 8
  • Use As A Filler In Containers

Big Bang™ Cosmic Eye Tickseed, otherwise known as Coreopsis BIG BANG™ 'Cosmic Eye', and Longstalk Tickseed, is an American hybrid created by Darrel Probst. This herbaceous princess of the prairie consists of bicolored corn-yellow and claret ray florets surrounding a tangerine center. Complemented by emerald-green foliage, this flowering plant is the perfect choice to add interest and charm to any dull space. Reaching a maximum height and spread of 12 to 15 inches, this compact, showy flower with its multicolored 2-inch blooms provides brilliant color from early summer until mid-fall.

An original from North America, Big Bang™ Cosmic Eye Tickseed, has a long list of positive traits to include deer resistance, disease resistance, heat resistance, and drought tolerance. In other words, this upright, slightly fragrant, slow-growing, deciduous plant is the perfect option for any person picking up a trowel for the first time. There’s simply no need to worry.  Plus?  Its low maintenance regimen won’t disrupt a busy person’s schedule. You’ll get maximum reward in spite of doing minimal work.

Big Bang™ Cosmic Eye Tickseed Care

As long as the substrate is moist and well drained, Big Bang™ Cosmic Eye Tickseed will thrive in a variety of soils ranging from sandy to loamy. Plant this perennial from spring until fall. This lovely plant will do well when exposed to full sun. Possessing moderate watering needs, this herbaceous perennial should be watered about one time weekly. If the soil, one inch below the surface, is dry, then water. If not, then wait a day or two to check again. Low maintenance, Big Bang™ Cosmic Eye Tickseed is not typically a hungry feeder; however, if needed, you can amend its soil with a little compost in early April or May.

To encourage bigger and more brilliant blooms as well as to deter disease, deadhead spent blooms as they appear. If, however, there are many spent blooms, you can shear the whole plant back by one-third using a pair of snips, grass cutters, or a weed whacker depending on how many flowers there are.

Big Bang™ Cosmic Eye Tickseed Spacing

Big Bang™ Cosmic Eye Tickseed will add flashes of vibrant yellows and reds to any container, border, or field it fills. Space this lovely plant 12 to 18 inches apart from the next one, and these dainty princesses of the prairie will proudly flaunt their beauty to anyone and everyone who walks by.

Big Bang™ Cosmic Eye Tickseed Information

USDA Hardiness Zones: 5 - 8
Plant Type: Perennial
Light Exposure: Full Sun (At Least 6 Hours Of Direct Sunlight)
Mature Height: 12 - 15 Inches
Mature Spread: 12 - 15 Inches
Spacing: 12 - 15 Inches
Habit: Mounded
Flower Color(s): Red, Yellow
Flower Description:
Bloom Period: Mid June To Early October
Foliage Type: Herbaceous
Foliage Color(s): Green
Foliage Description: Dark Green
Seasonal Interest: Summer Flowering, Fall Flowering
Watering: Low
Resists: Deer, Disease, Pests & Insects
Tolerates: Drought
Attracts: Butterflies
Container Role: Filler
Uses: Borders, Containers, Mass Planting
Features: Cut Flowers, Low Maintenance, Continuous Blooming or Rebloomer
Common Name: Big Bang™ Cosmic Eye Tickseed
Other Name(s):
Scientific Name: Coreopsis BIG BANG™ 'Cosmic Eye'

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
   1.42 quarts

Quart Pot

Quart Pot
 Also Know As:

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