The Buxus Sinica Var. Insularis ‘Franklin’S Gem’ (Franklin’s Gem Korean Boxwood) Full Care Guide


The Franklin’s Gem Korean Boxwood, otherwise known as the Buxus Sinica Var. Insularis ‘Franklin’S Gem’ is a pretty well known shrub plant by gardening enthusiasts around the world.

Best known for its low maintenance and moderate growth, this shrub 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.

This is why all the topics you need to know in order to achieve this will be covered in this Franklin’s Gem Korean Boxwood Care Guide. Ready? Let’s go!

The basic care guidelines you need to remember for your Franklin’s Gem Korean Boxwood are the following:

  • Water: The Franklin’s Gem Korean Boxwood prefers constant watering each week and more during the hot season.
  • Light: Keep your Buxus Sinica Var. Insularis ‘Franklin’S Gem’ in an environment where it can receive partial to full sun on a daily basis. 
  • Soil: Make sure to keep the Franklin’s Gem Korean Boxwood in soil with moist but well-draining to well draining properties, so ideally, one that is made of clay, loam, chalk, and sand.

And as with many other plants, these are the only three care factors you need to remember to make sure your Franklin’s Gem Korean Boxwood is, for the most part, healthy and well to survive.

Franklin's Gem Korean Boxwood plants

Scientific / Botanical Aspects

In botanical terms, the Franklin’s Gem Korean Boxwood belongs to the Buxaceae family, the genus Buxus and the species Sinica, hence its scientific (or botanical) name Buxus Sinica Var. Insularis ‘Franklin’S Gem’ (BUK-sus SIN-ee-kuh in-soo-LAIR-iss).

As with other Buxus’s, the Franklin’s Gem Korean Boxwood is an evergreen plant, which means it will be present year round in your garden.

Growing Region

The Franklin’s Gem Korean Boxwood is a plant native to the China and Taiwan.

You might be wondering why your Franklin’s Gem Korean Boxwood’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 Buxus Sinica Var. Insularis ‘Franklin’S Gem’ will be most used to regions where the plant hardiness level falls between 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9b, 9a and the ideal climate zone is between 2, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24.

Growth and Size

Growth

In terms of size and growth, the Franklin’s Gem Korean Boxwood is a relatively moderate grower, which makes things somewhat easy for any plant enthusiast.

Size

But, how big does the Franklin’s Gem Korean Boxwood actually get? What should you expect in terms of size? Let’s dive right in…

The Buxus Sinica Var. Insularis ‘Franklin’S Gem’ can grow up to 1′ – 2′ (30cm – 60cm) in 1′ – 2′ (30cm – 60cm) and 1′ – 2′ (30cm – 60cm) in 1′ – 2′ (30cm – 60cm). 

These dimensions make the Franklin’s Gem Korean Boxwood a relatively medium 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 rounded shape, which is something worthwhile to remember when making your garden landscape plans.

This is why experts recommend keeping an area of approximately 24″ (60cm) free so the Franklin’s Gem Korean Boxwood can spread to its best extent.

Water

In terms of watering, the Franklin’s Gem Korean Boxwood 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 Buxus Sinica Var. Insularis ‘Franklin’S Gem’ prefers constant watering each week and more during the hot season.

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

Franklin's Gem Korean Boxwood care

Watering

As a rule of thumb, you should remember to keep your Franklin’s Gem Korean Boxwood 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 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 Franklin’s Gem Korean Boxwood 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 Franklin’s Gem Korean Boxwood prefers to have soil with good drainage 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 Franklin’s Gem Korean Boxwood 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 Franklin’s Gem Korean Boxwood requires partial to 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 shade, or partial sun to full sun, and it will be able to grow properly.

Specifically, we recommend that you place your Buxus Sinica Var. Insularis ‘Franklin’S Gem’ 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 an evergreen plant, the Franklin’s Gem Korean Boxwood will be present year round in your garden.

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

Flowers

You can expect your Franklin’s Gem Korean Boxwood to flower around the spring months from April to June (spring).

The Franklin’s Gem Korean Boxwood produces some wonderful gold/yellow and green flowers around this time of year.

Foliage

The leaves from the Franklin’s Gem Korean Boxwood 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 Buxus Sinica Var. Insularis ‘Franklin’S Gem’ to be around (1-3 inches) in size.

Franklin's Gem Korean Boxwood up close

Attracts, Tolerance and Resistance

The Franklin’s Gem Korean Boxwood is well known for its tolerance to drought and animals like rabbit and deer, so don’t worry if any of these come along, your Buxus Sinica Var. Insularis ‘Franklin’S Gem’ will be fine.

Garden

Now, let’s talk garden and how your Franklin’s Gem Korean Boxwood will look best in it.

Most Buxus Sinica Var. Insularis ‘Franklin’S Gem’ owners agree that this shrub will look great in most contemporary, asian/zen and cottage gardens of all types. 

Other owners consider that they complement well most gardens of mediterranean garden, city and courtyard, formal garden, and in modern garden styles. 

In particular, the Franklin’s Gem Korean Boxwood’s best location within your garden is in patio and containers, beds and borders, edging, and in small gardens, others use it for landscaping in a hedge, border, topiary, container, mass planting, or a urban garden.

Companion Plants

Franklin’s Gem Korean Boxwood’s do well with some other plants beside it. One good companion plant is the Spiraea, which will pair up nicely with your leafy friend.

Others consider that a nice Weigela 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 Franklin’s Gem Korean Boxwood in your garden or 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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