The Beyond Blue Fescue, otherwise known as the Festuca Glauca ‘Casca11’ Plant Patent #23,307 is a pretty well known shrub plant by gardening enthusiasts around the world.
Best known for its low maintenance and fast growth, this shrub will likely liven up your house (or garden) with its silver-blue colored leaves. But, only if you learn how to take proper care of it for it to thrive.
This is why all the topics you need to know in order to achieve this will be covered in this Beyond Blue Fescue Care Guide. Ready? Let’s go!
The fundamental caring guidelines for every Beyond Blue Fescue can be summed up into the following:
- Water: The Beyond Blue Fescue needs at least weekly watering, or more in extreme heat, preferably with regular water.
- Light: Keep your Festuca Glauca ‘Casca11’ Plant Patent #23,307 in an environment where it can receive full sun on a daily basis.
- Soil: Make sure to keep the Beyond Blue Fescue in soil with moist but well-draining properties, so ideally, one that is made of clay, loam, chalk, and sand.
And that’s practically it! If you keep these three factors in check, your Beyond Blue Fescue will likely have all it needs for it to survive and even thrive.

Scientific / Botanical Aspects
In botanical terms, the Beyond Blue Fescue belongs to the Oleaceae family, the genus Forsythia and the species Suspensa, hence its scientific (or botanical) name Festuca Glauca ‘Casca11’ Plant Patent #23,307 (fes-TEW-kuh GLAW-kuh).
As with other Forsythia’s, the Beyond Blue Fescue is an evergreen plant, which means it will be present year round in your garden.
Growing Region
Knowing your plant’s native region is very useful, as it can give you tips on which environment is best for your Beyond Blue Fescue. 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 Festuca Glauca ‘Casca11’ Plant Patent #23,307 will be most used to the heat zones in the 6 – 8 region, as the plant hardiness level falls between 5b, 5a, 6b, 6a, 7b, 7a, 8b, 8a and the ideal climate zone is between 2, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 18, 19, A2, A3.
Growth and Size
Growth
In terms of size and growth, the Beyond Blue Fescue is a relatively fast grower, which makes things tricky for any plant enthusiast.
Size
But what exactly does this mean for your Beyond Blue Fescue? How large a pot should you consider, how tall, how wide can it get? Let’s jump in…
The Festuca Glauca ‘Casca11′ Plant Patent #23,307 can grow up to 6′ – 10′ (180cm – 3m) in 6′ – 10′ (180cm – 3m) and 6′ – 10′ (180cm – 3m) in 6′ – 10’ (180cm – 3m).
These dimensions make the Beyond Blue Fescue a relatively large shrub 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 compact, and mounding shape, which is something worthwhile to remember when making your garden landscape plans.
This is why experts recommend keeping an area of approximately 72″ – 120″ (180cm – 300cm) free so the Beyond Blue Fescue can spread to its best extent.
Water
In terms of watering, the Beyond Blue Fescue is a fairly simple plant to take care of.
This is mostly because it has a straightforward watering schedule and somewhat regular watering needs.
Specifically, most experts agree that the Festuca Glauca ‘Casca11’ Plant Patent #23,307 needs at least weekly watering, or more in extreme heat, preferably with regular water.
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 Beyond Blue Fescue in soil with moist but 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.
But, if you want a ‘one-size-fits-all’ solution to watering your Beyond Blue Fescue then you should consider the famous ‘finger’ test. To perform this test, you just need to put your finger in your plant’s soil and determine if it’s moist or not. If it is, then don’t water; if it isn’t, then please do. In any case, this test will allow you to know if your Beyond Blue Fescue needs or does not need water, every time.
Soil Mix
As mentioned earlier, the Beyond Blue Fescue 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 Beyond Blue Fescue requires soil with loam (silt), 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 Beyond Blue Fescue requires full sun in order for it to thrive under the right conditions.
Most experts agree that this shrub will do well as long as you keep it in partial to full sun, and it will be able to grow properly.
Specifically, we recommend that you place your Festuca Glauca ‘Casca11’ Plant Patent #23,307 in from little to partial shade (only 2-6 hours of direct sunlight a day), to dappled or moderate shade (under other plant’s canopy), to full and direct sun (more than 6 hours of direct sunlight per day).
Season
Being an evergreen plant, the Beyond Blue Fescue will be present year round in your garden.
But, you can expect it to have its ‘prime-time’ during the spring (early, mid).
Flowers
You can expect your Beyond Blue Fescue to flower around the spring months from April to June (spring).
The Beyond Blue Fescue produces some beautiful brown, or gold/yellow flowers around this time of year.
Foliage
The leaves from the Beyond Blue Fescue have a beautiful silver-blue color during most of the year.
In particular, they have a simple arrangement with a alternate organization in its leaves.

Attracts, Tolerance and Resistance
The Beyond Blue Fescue is well known for its tolerance to clay soil, and animals like deer, so don’t worry if any of these come along, your Festuca Glauca ‘Casca11’ Plant Patent #23,307 will be fine.
Garden
Now, let’s talk garden and how your Beyond Blue Fescue will look best in it.
Most Festuca Glauca ‘Casca11’ Plant Patent #23,307 owners agree that this shrub will look great in most rustic, asian/zen mediterranean, and xeric gardens of all types.
Other owners consider that they complement well most gardens of informal and cottage, and in traditional garden styles.
In particular, the Beyond Blue Fescue’s best location within your garden is in hedges and screens, banks and slopes, and in wall-side borders, others use it for landscaping in a ground cover, border, green roof, mass planting, accent, container, edging, urban garden, firescaping/fire wise, or a wildlife garden.
Companion Plants
Beyond Blue Fescue’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 Caryopteris will work well too, so choose whichever you find works best for you!
Conclusion
And we’ve come to an end. Fortunately, that’s everything you need to know about your Beyond Blue Fescue to keep it safe and sound in your garden or home. Enjoy planting!