The Coreopsis Grandiflora ‘Rising Sun’ (Rising Sun Coreopsis) Full Care Guide


The Rising Sun Coreopsis, otherwise known as the Coreopsis Grandiflora ‘Rising Sun’ or Tall Tickseed, Tall Coreopsis, is a somewhat well known perennial plant native to the Southeast, Northeast, and the Southwest of the United States.

Best known for its low maintenance and moderate growth, this perennial will likely liven up your house (or garden) with its green colored leaves. But, only if you learn how to take proper care of it for it to thrive.

Fortunately, taking care of your Rising Sun Coreopsis is not too difficult – as long as you follow our guidelines in this Rising Sun Coreopsis Care Guide. Now let’s get started.

The basic care guidelines you need to remember for your Rising Sun Coreopsis are the following:

  • Water: The Rising Sun Coreopsis needs regular watering in the early stages. Once established, water deeply once in a while.
  • Light: Keep your Coreopsis Grandiflora ‘Rising Sun’ in an environment where it can receive full sun on a daily basis. 
  • Soil: Make sure to keep the Rising Sun Coreopsis in soil with well-draining properties, so ideally, one that is made of clay, loam, chalk, and sand.

That’s it – sunlight, water and soil! The basic 3 fundamentals for all plant care, and with the Rising Sun Coreopsis this is no exception. With these three elements, your leafy friend will live healthy and happy.

Rising Sun Coreopsis plants

Scientific / Botanical Aspects

In botanical terms, the Rising Sun Coreopsis belongs to the Asteraceae family, the genus Coreopsis and the species Tripteris, hence its scientific (or botanical) name Coreopsis Grandiflora ‘Rising Sun’ (kor-ee-OP-sis gran-dih-FLOR-uh).

As with other Coreopsis’s, the Rising Sun Coreopsis is a herbaceous plant, which means it will die back to the ground every year. 

Growing Region

The Rising Sun Coreopsis is a plant native to the Central and southeastern United States. This is why the Coreopsis Grandiflora ‘Rising Sun’ is used to growing in specific regions such as the states in Southeast, Northeast, and the Southwest of the United States.

Knowing your plant’s native region is very useful, as it can give you tips on which environment is best for your Rising Sun Coreopsis. If you keep it in mind, you can try to replicate these conditions at home, and you’ll likely end with a healthier plant.

With this in mind, the Coreopsis Grandiflora ‘Rising Sun’ will be most used to regions where the plant hardiness level falls between 3a, 3b, 4b, 4a, 5b, 5a, 6b, 6a, 7a, 7b, 8b, 8a.

Growth and Size

Growth

In terms of size and growth, the Rising Sun Coreopsis is a relatively moderate grower, which makes things somewhat easy for any plant enthusiast.

Size

But, what size of Rising Sun Coreopsis are we talking about? What can you expect in terms of height, spread and spacing? Let’s dig in…

The Coreopsis Grandiflora ‘Rising Sun’ can grow up to 4′ – 8′ (120cm – 240cm) in 4′ – 8′ (120cm – 240cm) and 4′ – 8′ (120cm – 240cm) in 4′ – 8′ (120cm – 240cm). 

These dimensions make the Rising Sun Coreopsis a relatively large perennial compared to others, so it’s best to keep this fact in mind since it will affect where you want to keep yours at home.

This is why experts recommend keeping an area of approximately 72″ – 96″ (180cm – 240cm) free so the Rising Sun Coreopsis can spread to its best extent.

Water

In terms of watering, the Rising Sun Coreopsis is a fairly complicated plant to take care of.

This is mostly because it has a not so straightforward watering schedule and somewhat regular watering needs.

Specifically, most experts agree that the Coreopsis Grandiflora ‘Rising Sun’ needs regular watering in the early stages. Once established, water deeply once in a while.

Which is why it is considered a plant with relatively low to average needs in terms of water. 

Rising Sun Coreopsis care

Watering

As a rule of thumb, you should remember to keep your Rising Sun Coreopsis in soil with well-draining characteristics, as these will guarantee the right conditions for your plant to grow and thrive. 

When you consider this, this is why you should aim to choose soil that has good drainage, moist, and occasionally dry properties to keep the right moisture levels at all times. 

However, in our experience, the best solution to knowing the right amount of water for your Rising Sun Coreopsis is with the ‘thumb’ technique. Basically, you insert your finger into the soil, and based if you feel the soil moist or dry, you determine if it needs any water, which is the most appropriate way to go about watering your leafy friend.

Soil Mix

As mentioned earlier, the Rising Sun Coreopsis prefers to have soil with good drainage, moist, and occasionally dry properties at all times, reason why you need to make the soil mix out of clay, loam, chalk, and sand.

In addition to this, expert gardeners recommend having preferably alkaline, acid or neutral soil.

Light and Exposure

In terms of light & exposure, the Rising Sun Coreopsis requires full sun in order for it to thrive under the right conditions. 

Most experts agree that this perennial will do well as long as you keep it in full sun, and it will be able to grow properly.

Specifically, we recommend that you place your Coreopsis Grandiflora ‘Rising Sun’ in full and direct sun (more than 6 hours of direct sunlight per day).

Season

Being a herbaceous plant, the Rising Sun Coreopsis will die back to the ground every year. 

But, you can expect it to have its ‘prime-time’ during the summer (mid, late), and during the fall.

Flowers

You can expect your Rising Sun Coreopsis to flower around the summer and in the fall months from July to September (summer), and from October to December (fall).

In particular, this perennial is well known for its long bloom season, flowers for cutting and showy flowers around the plant enthusiast community.

The Rising Sun Coreopsis produces some beautiful yellow, or brown/copper, black and gold/yellow flowers around this time of year.

Foliage

The leaves from the Rising Sun Coreopsis have a beautiful green color during most of the year.

In particular, they have a compound (pinnately, bipinnately, palmately) arrangement with a opposite organization in its leaves.

Rising Sun Coreopsis up close

Attracts, Tolerance and Resistance

The Rising Sun Coreopsis is well known for being able to attract butterflies and birds, so keep that in mind when choosing your plant, as you’ll likely end up finding one or another in your garden.

Additionally, it has a special tolerance for rocky soil, dry soil, clay soil, drought and animals like deer, so don’t worry if any of these come along, your Coreopsis Grandiflora ‘Rising Sun’ will be fine.

Garden

Does your Rising Sun Coreopsis have any garden recommendations? Does it serve any gardening purposes? Here’s how you can get the most out of your new plant.

Most Coreopsis Grandiflora ‘Rising Sun’ owners agree that this perennial will look great in most mediterranean, cottage and rustic gardens of all types. 

Other owners consider that they complement well most gardens of informal and cottage, and in prairie and meadow styles. 

In particular, the Rising Sun Coreopsis’s best location within your garden is in beds and borders, others use it for landscaping in a cutting garden, border, or a mass planting.

Conclusion

Even though we covered a lot of care information for your Rising Sun Coreopsis, remember the basics: sunlight, soil and water, as these should be enough to grow a healthy plant at home.

Sebastian Moncada

I’m also a plant enthusiast and researcher. I’ve been privileged to have lived my whole life around the wilderness of Colombia and I’m happy to share everything I learn along the way. “Adopt the pace of nature. Her secret is patience” – Emerson.

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