Light Needs
Mature Height
Mature Spread
Growing Zones
The lovely red flowers of the Designer Threads™ Scarlet Ribbons Coreopsis or tickseed add summertime color to a landscape. The daisy-like flowers have broad petals in a deep shade of maroon. The velvety petals surround a bright yellow center, providing a lovely contrast. The Coreopsis verticillata 'Scarlet Ribbons' is a prolific bloomer and is covered in flowers throughout the summer. Narrow green foliage fills in the gaps between blooms and gives the plant a full appearance.
Use this showy Coreopsis in a mass planting or mixed bed. Trim the stems to feature the flowers in an arrangement, and enjoy the blooms up close. The Designer Threads™ Scarlet Ribbons Coreopsis is easy to grow and mildew resistant for added convenience. This perennial is pollinator friendly and supports bees and butterflies. Grow Designer Threads™ Scarlet Ribbons Coreopsis in zones 5 through 9.
Designer Threads™ Scarlet Ribbons Coreopsis Care
Enjoy the most abundant flowers when the Designer Threads™ Scarlet Ribbons Coreopsis is planted in full sun. Use a loamy, well-drained soil with a neutral pH. While this Coreopsis is drought tolerant, regular water during an extended dry period will support the long-lasting flowers. Apply a slow-release fertilizer once in the spring.
Prune Coreopsis in early spring to encourage branching and a full form. Remove faded flowers to promote a long blooming season.
Designer Threads™ Scarlet Ribbons Coreopsis Spacing
Designer Threads™ Scarlet Ribbons Coreopsis grows 16 to 18 inches high and 16 to 20 inches wide. Plant Coreopsis 16 to 20 inches apart for a continuous planting.
Designer Threads™ Scarlet Ribbons Coreopsis Plant Facts
Growing Conditions
- Hardiness ZonesGrowing Zones
- USDA Zones 5 to 9 (perennial); grown as an annual elsewhere (outdoors year-round); grown indoors elsewhere (outdoors year-round); grown in containers elsewhere (grown as a seasonal crop)
- Sun Exposure
- Full Sun (6+ Hours Direct Sun)
- Mature Height
- 1-2 Feet
- Mature Spread
- 1-2 Feet
- Growth Rate
- Moderate
- Growth Habit
- , Mounded
- Water Needs
- Dry
Flowers & Foliage
- Flower Colors
- , Red, Yellow
- Flower Description
- Maroon petals with yellow tips
- Bloom Time
- Summer to Early Fall
- Foliage Color
- , Green
- Foliage Description
- Green
- Foliage Type
- , Evergreen, Deciduous, Herbaceous
- Seasonal Interest
- , Summer Flowering
Garden Benefits
Plant Overview
- Common Name
- Designer Threads™ Scarlet Ribbons Coreopsis
- Also Known As
- Threadleaf Coreopsis, Whorled Coreopsis
- Botanical Name
- Coreopsis verticillata 'Scarlet Ribbons'
- Brand
- Proven Winners
- Plant Type
- Perennial
Simple Plant Spacing Calculator
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
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We want your plants to arrive in great condition! If you notice any issues upon delivery, contact us within 3 days.
Starting January 1, 2026 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.
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: 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!