
Light Needs

Mature Height

Mature Spread

Growing Zones
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 |
Brand: |
Common Name: Big Bang™ Cosmic Eye Tickseed |
Other Name(s): |
Scientific Name: Coreopsis BIG BANG™ 'Cosmic Eye' |
- SKU:
- 1231004903-pc
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.

Also Known As:
Quart
Plant Age:
~ 6 months - 1 year
Plant Size:
~ 4"-8"
Pot Size:
~ 4.75"H x 4.5"W
Volume:
1.50 quarts

Also Known As:
2.5 Quart Pot
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 8"-12"
Pot Size:
~ 6.5"H x 6.5"W
Volume:
2.20-2.30 quarts

Also Known As:
#1 Container
1 Gallon
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 10"-14"
Pot Size:
~ 7"H x 7.75"W
Volume:
2.26-3.73 quarts

Also Known As:
#2 Container
2 Gallon
Plant Age:
~ 1.5 - 3 years old
Plant Size:
~ 12"-18"
Pot Size:
~ 9.5"H x 9.5"W
Volume:
1.19-1.76 gallons

Also Known As:
#3 Container
3 Gallon
Plant Age:
~ 2 - 4 years old
Plant Size:
~ 12"-30"
Pot Size:
~9.5"H x 11"W
Volume:
2.32-2.76 gallons

Also Known As:
#5 Container
5 Gallon
Plant Age:
~3-4 years old
Plant Size:
~ 20" - 60"
Pot Size:
~11" H x 10 1/2” W
Volume:
3.5 - 4 gallons

We stand behind our plants with industry-leading guarantees to give you peace of mind.
We want your plants to arrive in great condition! If you notice any issues upon delivery, contact us within 3 days.
Starting January 1, 2025 all bushes, perennials & trees purchased come with an extended 1-year warranty for added confidence. If your plant dies due to a health issue within a year, we’ll make it right.

Pre-ordered plants are scheduled to ship in Spring 2025. We carefully plan our shipping dates based on your USDA Plant Hardiness Zone to ensure optimal planting conditions upon arrival. Want it sooner/later? Reach out, and we'll try our best to accommodate.
Estimated ship week for pre-ordered plants will ship based on growing zones as shown below.
Growing Zone | Estimated Ship Week |
---|---|
Zone 10 | March 31th |
Zone 9 | March 31st |
Zone 8 | April 7th |
Zone 7 | April 14th |
Zone 6b | April 21st |
Zone 6a | April 28th |
Zone 5b | May 5th |
Zone 5a | May 12th |
Zone 4 | May 19th |
Zone 3 | May 26th |
Note: These are only estimated ship dates. Plants may ship out later depending on weather & growing conditions of the plant.
Note: Only plants indicated as pre-order will ship as shown above. All other plants and hard goods will ship as normal.
Plants that are currently in stock typically ship within 2-7 business days after your order is placed.
Plant Addicts ships to the lower 48 states within the U.S. Unfortunately, we do not currently ship to Alaska, Hawaii, or internationally.
This plant cannot be shipped to the following states: Idaho, AK, HI. These restrictions apply only to this specific plant due to agricultural regulations or other limitations. Other plants may still be available for shipping to these states.
If you have any questions about shipping restrictions, feel free to reach out to our team!