The Mariachi™ Bandera Helenium, otherwise known as the Helenium Autumnale ‘Bandera’ Plant Patent #27,397 or False Sunflower ‘Asahi’, Sunflower Heliopsis ‘Asahi’, Oxeye Sunflower ‘Asahi’, is a rather well known perennial plant by gardening enthusiasts around the world.
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 Mariachi™ Bandera Helenium is not too difficult – as long as you follow our guidelines in this Mariachi™ Bandera Helenium Care Guide. Now let’s get started.
The fundamental caring guidelines for every Mariachi™ Bandera Helenium can be summed up into the following:
- Water: The Mariachi™ Bandera Helenium grows best with regular watering to keep the soil moist during the dry season. Reduce watering once the plant is established.
- Light: Keep your Helenium Autumnale ‘Bandera’ Plant Patent #27,397 in an environment where it can receive full sun on a daily basis.
- Soil: Make sure to keep the Mariachi™ Bandera Helenium in soil with moist but well-draining to 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 Mariachi™ Bandera Helenium this is no exception. With these three elements, your leafy friend will live healthy and happy.

Scientific / Botanical Aspects
In botanical terms, the Mariachi™ Bandera Helenium belongs to the Asteraceae family, the genus Heliopsis and the species Helianthoides, hence its scientific (or botanical) name Helenium Autumnale ‘Bandera’ Plant Patent #27,397 (hel-EE-nee-um aw-tum-NAH-lee).
As with other Heliopsis’s, the Mariachi™ Bandera Helenium is a herbaceous plant, which means it will die back to the ground every year.
Growing Region
The Mariachi™ Bandera Helenium is a plant native to the Central and Eastern North America.
You might be wondering why your Mariachi™ Bandera Helenium’s native region is important. Well, if you know where your plant originally came from, you’ll know which environment conditions it prefers, and with it, knowledge on how to replicate it at home.
With this in mind, the Helenium Autumnale ‘Bandera’ Plant Patent #27,397 will be most used to the heat zones in the 1 – 9 region, as the plant hardiness level falls between 3a, 3b, 4a, 4b, 5b, 5a, 6a, 6b, 7a, 7b, 8a, 8b, 9b, 9a and the ideal climate zone is between 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2.
Growth and Size
Growth
In terms of size and growth, the Mariachi™ Bandera Helenium is a relatively moderate grower, which makes things somewhat easy for any plant enthusiast.
Size
But, what size of Mariachi™ Bandera Helenium are we talking about? What can you expect in terms of height, spread and spacing? Let’s dig in…
The Helenium Autumnale ‘Bandera’ Plant Patent #27,397 can grow up to 2′ – 3′ (60cm – 90cm) in 2′ – 3′ (60cm – 90cm) and 1′ – 2′ (30cm – 60cm) in 1′ – 2′ (30cm – 60cm).
These dimensions make the Mariachi™ Bandera Helenium a relatively medium 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.
Also, expect it to grow in a wonderful mounding, compact, and upright shape, which is something worthwhile to remember when making your garden landscape plans.
This is why experts recommend keeping an area of approximately 18″ – 24″ (45cm – 60cm) free so the Mariachi™ Bandera Helenium can spread to its best extent.
Water
In terms of watering, the Mariachi™ Bandera Helenium 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 Helenium Autumnale ‘Bandera’ Plant Patent #27,397 grows best with regular watering to keep the soil moist during the dry season. Reduce watering once the plant is established.
Which is why it is considered a plant with relatively average needs in terms of water.

Watering
As a rule of thumb, you should remember to keep your Mariachi™ Bandera Helenium in soil with moist but well-draining to 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.
In our experience, the famous ‘thumb’ or ‘finger’ test is what works best for the Mariachi™ Bandera Helenium since with it, you will be able to give it the right amount of water, every time – regardless of the environment or placement where you do decide to keep it.
Soil Mix
As mentioned earlier, the Mariachi™ Bandera Helenium 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.
This is why most experts agree that the Mariachi™ Bandera Helenium requires soil with clay, loam (silt), and sand, which will give you the right conditions it needs.
In addition to this, expert gardeners recommend having preferably alkaline, acid or neutral soil.
Light and Exposure
In terms of light & exposure, the Mariachi™ Bandera Helenium 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 Helenium Autumnale ‘Bandera’ Plant Patent #27,397 in little to partial shade (only 2-6 hours of direct sunlight a day), to full and direct sun (more 6 hours of direct sunlight per day).
Season
Being a herbaceous plant, the Mariachi™ Bandera Helenium will die back to the ground every year.
But, you can expect it to have its ‘prime-time’ during the summer (early, mid, late), and during the fall.
Flowers
You can expect your Mariachi™ Bandera Helenium 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 Mariachi™ Bandera Helenium produces some beautiful multicolored, or gold/yellow, brown/copper and orange flowers around this time of year.
Foliage
The leaves from the Mariachi™ Bandera Helenium have a beautiful green color during most of the year.
In particular, they have a simple arrangement with a opposite organization in its leaves.
You can expect the leaves from your Helenium Autumnale ‘Bandera’ Plant Patent #27,397 to be around (3-6 inches) in size.

Attracts, Tolerance and Resistance
The Mariachi™ Bandera Helenium is well known for being able to attract butterflies, 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, clay soil, dry soil and drought conditions, so don’t worry if any of these come along, your Helenium Autumnale ‘Bandera’ Plant Patent #27,397 will be fine.
Garden
Does your Mariachi™ Bandera Helenium have any garden recommendations? Does it serve any gardening purposes? Here’s how you can get the most out of your new plant.
Most Helenium Autumnale ‘Bandera’ Plant Patent #27,397 owners agree that this perennial will look great in most cottage and rustic gardens of all types.
Other owners consider that they complement well most gardens of informal and cottage, cutting garden, and in prairie and meadow styles.
In particular, the Mariachi™ Bandera Helenium’s best location within your garden is in beds and borders, and in patio and containers, others use it for landscaping in a very wet areas, urban garden, naturalized areas, mass planting, cutting garden, container, border, or a woodland garden.
Companion Plants
Mariachi™ Bandera Helenium’s do well with some other plants beside it. One good companion plant is the Rudbeckia, which will pair up nicely with your leafy friend.
Others consider that a nice Geum will work well too, so choose whichever you find works best for you!
Conclusion
So that’s it! These are the main plant care requirements that you need to keep in mind in order to have a healthy Mariachi™ Bandera Helenium in your garden or home.