One of my favorite flowers to enjoy each year is coreopsis! It has an unfortunate nickname that may make you wary, but just because coreopsis is also called tickseed does not mean it will bring ticks! More on that later, but for now here is why coreopsis should be a plant in your garden.
Why Coreopsis Is Great in the Home Garden
Coreopsis (tickseed) is a fantastic addition to any home garden. It brings beauty and color to your outdoor space and it offers several benefits that make it a great choice for gardeners.
Coreopsis is great at attracting pollinators. The colorful, daisy-like flowers of Coreopsis are a magnet for bees, butterflies, and other beneficial insects.
- Bees: Coreopsis is particularly attractive to various species of bees, including honeybees, bumblebees, and solitary bees.
- Butterflies: Coreopsis flowers are known to attract butterflies, adding a splash of color to your garden and providing a nectar source for these pollinators. Monarch Butterfly (Danaus plexippus), Eastern Tiger Swallowtail (Papilio glaucus), Painted Lady (Vanessa cardui), Great Spangled Fritillary (Speyeria cybele), and Checkered White (Pontia protodice)
- Hoverflies: These insects, also known as flower flies or syrphid flies, are attracted to the nectar and pollen of coreopsis.
- Beetles: Some beetle species may also be attracted to coreopsis, although they are generally not as effective as pollinators compared to bees and butterflies.
Coreopsis can improve the look and appeal of any garden. Its cheerful blooms with shades of yellow, orange, and red, bring a burst of color and visual interest to flower beds, borders, and containers. Whether you prefer a more traditional garden or a more contemporary design, Coreopsis can be easily incorporated into various landscaping styles.
Coreopsis is a relatively low-maintenance plant that is relatively easy to grow. It thrives in full sun and well-drained soil, making it suitable for a wide range of garden conditions. If you live in an area with limited rainfall Coreopsis might work well. It is drought-tolerant and can withstand periods of dry weather without requiring excessive watering. This makes coreopsis an ideal choice for busy gardeners or those who live in regions with limited rainfall or practice xeriscaping.
Species of Coreopsis
Coreopsis is a diverse genus of flowering plants that offers a wide range of species to choose from for your garden. Each species has its own unique characteristics, including varying heights and colors, adding to the overall beauty and variety of your outdoor space.
Coreopsis grandiflora
One popular species of Coreopsis is Coreopsis grandiflora, commonly known as Large-flowered Tickseed. This species typically grows to a height of 1 to 2 feet and produces vibrant yellow flowers. The bright yellow blooms of Coreopsis grandiflora are a stunning addition to any garden, attracting pollinators and adding a cheerful touch to flower beds and borders. C. grandiflora is the species I prefer overall as it has performed the best in my gardens. I believe the one I grew was ‘Sunfire’ but it was from seed I gathered and sowed so I never really knew it’s name.
Coreopsis grandiflora
Coreopsis lanceolata
Another species to consider is Coreopsis lanceolata, also known as Lanceleaf Tickseed. This species tends to be about 1-2 ft tall with flower heads about 1 to 1 1/2 inches in diameter. The flowers of Coreopsis lanceolata are typically yellow with a hint of orange, creating a warm and inviting display in the garden.
Coreopsis tinctoria
For those looking for a splash of color, Coreopsis tinctoria, or Plains Coreopsis, is an excellent choice. This species features vibrant red and yellow flowers, creating a striking contrast in the garden. Coreopsis tinctoria is a shorter species, usually growing to a height of 1 to 2 feet, making it suitable for borders, containers, or mixed flower beds.
Coreopsis verticillata
If you prefer a more delicate and dainty appearance, consider Coreopsis verticillata, or Threadleaf Tickseed. This species has fine, thread-like foliage and produces small, yellow flowers. Coreopsis verticillata is a compact plant, typically reaching heights of 1 to 2 feet. Its delicate appearance makes it a perfect addition to rock gardens or as a border plant.
‘Moonbeam’ Coreopsis verticilla
These are just a few examples of a bunch of Coreopsis species available for your garden. Try choosing species with varying heights and colors to mix and match them with other plants in your landscape!
How to Care for Coreopsis
What are the best growing conditions for coreopsis?
Sunlight
Minimum of 6 to 8 hours of direct sunlight each day.
Watering
Coreopsis is a drought-tolerant plant, but it still requires regular watering, especially during dry spells. Water your Coreopsis plants deeply once a week, allowing the soil to dry out slightly between waterings. Avoid overwatering, as this can lead to root rot and other issues.
Soil
Coreopsis prefers well-draining soil that is slightly acidic to neutral (pH 6.0 to 7.0). If your soil is heavy or clay-like, consider amending it with organic matter, such as compost or peat moss, to improve drainage. This will help prevent waterlogged soil and promote healthy root development.
Fertilizing
Coreopsis is a relatively low-maintenance plant and doesn’t require heavy fertilization. However, you can give your plants a boost by applying a balanced, slow-release fertilizer in early spring. Follow the package instructions for application rates and frequency.
Deadheading
To encourage continuous blooming, it’s important to deadhead your Coreopsis plants regularly. This involves removing spent flowers by cutting them back to the nearest set of leaves or lateral bud. Deadheading not only keeps your plants looking tidy but also promotes the production of new blooms. I recommend allowing the plants to go to see after mid-summer so that you can collect the seed and start new plants the following year.
Dividing
Over time, Coreopsis plants can become crowded and may benefit from division. Dividing your plants every 2 to 3 years helps rejuvenate them and promotes better flowering. To divide Coreopsis, dig up the clump and gently separate the individual plants, making sure each division has a healthy root system. Replant the divisions in well-prepared soil and water thoroughly.
Pest and Disease Control
Coreopsis is generally resistant to pests and diseases. However, occasional issues with aphids, spider mites, or powdery mildew may arise. Monitor your plants regularly and take appropriate action if you notice any signs of infestation or disease. In most cases, a strong blast of water or an organic insecticidal soap will help control pests, while proper spacing and good air circulation can prevent powdery mildew.
Below are photos of leaf beetle larvae which attacked my coreopsis several years ago. See more on leaf beetle larvae and coreopsis here: Leaf Beetle Larvae (Calligrapha)
How to Propagate Coreopsis
If you’ve followed Growing the Home Garden for a while you know I love plant propagation and it works for coreopsis too! Propagating Coreopsis is a great way to expand your garden and share the beauty of these vibrant flowers with others. There are two main methods for propagating Coreopsis: through seeds or division.
How to Propagate Coreopsis through Seeds
To grow Coreopsis from seeds, start by collecting the seeds from mature flower heads.
Allow the flower heads to dry on the plant, then gently shake or rub them to release the seeds.
Sow the seeds directly into well-prepared soil in the spring or fall. Make sure to lightly cover the seeds with a thin layer of soil and keep them consistently moist until germination occurs, which usually takes about 2 to 3 weeks.
Once the coreopsis seedlings have grown a few inches tall, you can transplant them to their permanent location in the garden.
Propagating Coreopsis through seeds is a simple and cost-effective method. It allows you to grow a large number of plants from just a few seed heads. This method is particularly useful if you want to introduce new varieties or experiment with different colors in your garden. As usual when growing plants from seed it’s important to note that seeds may not always produce plants that are identical to the parent plant, as they can cross-pollinate with other Coreopsis varieties. But that is why gardening is fun as it could lead to interesting and unique variations!
How to Propagate Coreopsis through Division
Another method for propagating Coreopsis is through division. This is best done in early spring or fall when the plants are not actively blooming.
Start by digging up an established Coreopsis plant, being careful to preserve as much of the root system as possible.
Use a sharp knife or garden spade to divide the plant into smaller sections, making sure each section has a healthy root system and several shoots.
Replant the divided sections in well-draining soil, spacing them apart according to the specific variety’s recommended spacing.
Propagating Coreopsis through division is a great way to rejuvenate older plants and grow new ones. It allows you to maintain the characteristics of the parent plant and ensure that the new plants will have the same vibrant blooms. This method is particularly useful if you have a favorite Coreopsis variety that you want to propagate. It’s important to note that not all Coreopsis varieties are suitable for division, so make sure to check the specific requirements for each variety.
What are Some Good Companion Plants for Coreopsis
When it comes to creating a beautiful and thriving garden, choosing the right companion plants for Coreopsis can make a huge impact. Not only can companion plants enhance the overall aesthetics of your garden, but they can attract native pollinators, creating a vibrant and buzzing ecosystem. Good companion plants general share similar growing conditions in light and water needs and can often utilize different nutrients from the soil. Here are some excellent companion plants that grow well with Coreopsis.
Echinacea (Purple Coneflower)
Pairing Coreopsis with Echinacea is an excellent combo. Both plants have similar sun and soil requirements, making them ideal companions. The vibrant purple flowers of Echinacea complement the bright and cheerful blooms of Coreopsis, creating a stunning color combination. Echinacea and coreopsis are both well loved by bees, butterflies, and other pollinators, making them a perfect duo for attracting beneficial insects to your garden.
Salvia (Sage)
Another great companion plant for Coreopsis (and one of my ALL TIME FAVORITE PLANTS EVER – CAPS ON FOR EMPHASIS) is Salvia. With its tall spikes of vibrant flowers, Salvia adds height and structure to the garden, creating a visually appealing backdrop for the low-growing Coreopsis. The nectar-rich flowers of Salvia attract hummingbirds and butterflies, while also providing a source of food for bees. Together, Coreopsis and Salvia create a dynamic and pollinator-friendly garden.
Salvia is very easy to propagate and grows in all kinds of conditions: How to Propagate Salvia from Cuttings
Rudbeckia (Black-Eyed Susan)
Coreopsis and Rudbeckia are a classic combination that never fails to impress. Both plants thrive in full sun and well-drained soil, making them compatible companions. The bright yellow flowers of Rudbeckia complement the golden hues of Coreopsis, creating a warm and inviting color palette. Additionally, both plants are loved by bees and butterflies, ensuring a constant buzz of activity in your garden. The only downside might be too much yellow! Some rudbeckia varieties are more on the orange to red spectrum and would be excellent matches for yellow coreopsis.
Verbena
Below is a yellow coreopsis mixed with ‘Purple Homestead’ verbena. ‘Purple Homestead’ tends to be a shorter lived variety of coneflower but has a HUGE impact. Butterflies and pollinators really enjoy verbena and flock to the yellow and purple combination.
Nepeta (Catmint)
If you’re looking to add a touch of softness and fragrance to your garden, consider pairing Coreopsis with Nepeta. The delicate lavender-blue flowers of Nepeta provide a beautiful contrast to the vibrant blooms of Coreopsis. Not only does Nepeta attract bees and butterflies, but its aromatic foliage also repels pests, making it a beneficial companion plant for Coreopsis.
Achillea (Yarrow)
Coreopsis and Achillea are a dynamic duo that can bring a sense of wild beauty to your garden. Both plants are drought-tolerant and thrive in sunny locations, making them a perfect match. The feathery foliage and flat-topped flower clusters of Achillea create an interesting texture that complements the dainty flowers of Coreopsis. Together, they create a naturalistic and pollinator-friendly garden. Achillea is an amazingly easy plant to grow in the garden: Growing Achillea millifolium (Yarrow) in the Home Garden.
these companion plants make excellent choices when mixed with Coreopsis. Whether you choose to pair Coreopsis with Echinacea, Salvia, Verbena, Rudbeckia, Nepeta, or Achillea, you’ll end up with a visually stunning and ecologically beneficial garden.
Coreopsis Questions
Does coreopsis come back every year?
There are both annual and perennial varieties. If you have a perennial variety it will come back for a few years but I’ve found them to be overall short lived perennials. Coreopsis will reseed if you allow it and so it will regrow from seed and will seem like it is returning year after year.
Where is the best place to plant coreopsis?
Coreopsis is best planted in a full sun location. It isn’t very picky on soil but the better your soil is the more it will thrive. Plant it mixed with other pollinator favorite flowers like gaillardia, echinacea, and rudbeckia.
Do you cut back coreopsis for winter?
I recommend leaving the dead coreopsis leaves and branches alone until spring. Any seeds can be harvested for seed starting and you can leave some for the birds to enjoy over the winter. Cut back coreopsis in the spring just before new growth begins to occur.
Does coreopsis attract ticks?
Coreopsis is called tickseed only because the seed is the size and general shape of a tick! It doesn’t attract ticks at all but will attract pollinators which are highly beneficial.
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