Agave americana-Century Plant

Agave americana ‘K & K’ on 6-11-12, #99-1.

Century Plant

Agave americana

a-GAH-vee a-mer-ih-KAY-na

Accepted varieties and subspecies of Agave americana from Plants of the World Online: Agave americana subsp. americana, Agave americana var. expansa (Jacobi) Gentry, Agave americana var. franzosinii Sprenger, Agave americana var. oaxacensis Gentry, Agave americana subsp. protamericana Gentry

Agave americana L. is the correct and accepted scientific name for this species of Agave. The genus and species were named and described as such by Carl von Linnaeus in Species Plantarum in 1753.

Plants of the World Online there are 269 accepted species of Agave. Many species of other genera have been moved to the Agave genus, such as Manfreda. Plants of the World Online lists 21 synonyms at the genus level. Those were the numbers listed on 1-15-20 when I am updating this page but those numbers could change.

There are links at the bottom of the page for further reading.

 

Agave americana ‘K&K, the larger one, measuring 20″ tall x 36″ wide on 8-1-11, #68-2.

I was given my two Agave americana plants from the owner of K&K Nursery in Cleveland, Mississippi in 2011. When someone gives me a plant I usually name it after them, so I named this plant Agave americana ‘K&K’. I had bought an Agave americana from an Ebay seller in 2009 but the leaves were completely different. The lower leaves of the Agave from K&K curled under and had smooth lines along the leaves. The plants from the Ebay seller grew upward and had distinctive patterns on the leaves.

 

Agave americana on 10-11-11, #81-1.

Information on the internet just made it more confusing because some were incorrect. I sent photos to Tony Avent of Plant Delights Nursery and Cheryl of Highland Succulents. Both of them told me the plant from Ebay was an Agave americana subsp. protoamericana the one from K&K was Agave americana.  

 

Leaf showing smooth lines on the Agave americana on 10-11-11, #81-2.

As you can tell from the above three photos, the Agave americana grows much different than the Agave americana ssp. protoamericana. The leaves have smooth lines and curl under.

To read more about my Agave americana subsp. protoamericana companion, click HERE.

 

<<<<2012>>>>

Agave americana ‘K&K’ on 4-15-12, #86-1.

We made it through our first winter together with flying colors and the Agave americana was glad to be back out in the backyard at the mansion.

 

Agave americana ‘K&K’ on 6-2-12, #96-1.

 

USEFUL INFORMATION:
Common Name: Century Plant
Family Name: Asparagaceae (formerly in Agavaceae)
Origin: Mexico and southwest Unites States (Arizona, New Mexico, and Texas
Zones: USDA Zones 8a-11 (10-40 degrees F.)
Size: 3-6’ tall x 6-10’ wide
Light: Full sun to part shade.
*Soil: Prefers a very well-drained soil somewhat on the dry side.
Water: Average. Mine get regular water during the summer but I seldom water while indoors over the winter.
Propagation: Can be grown from seed. They produce many offsets so you will have a good supply to pass along.

*Agave species are very easy to grow in the ground where they are cold hardy and in pots where they are not. There are a lot of potting soil recipes online and many people develop their own with experience and what is readily available. Read the ingredients on the bag and always start with a base of a reliable brand name potting soil. I always use either Miracle Grow or Schultz Potting soil because I can buy it in large bags. They also offer cactus soil in smaller bags with similar ingredients. I used 2 parts potting soil with 1 part additional perlite and 1 part chicken grit. After reading that cactus and succulent enthusiasts were recommending pumice in place of perlite and grit, I decided to try it. So, in late in 2018 I purchased a bag of pumice online from General Pumice. I have been using a combination of about 50% potting soil and 50% pumice with favorable results.

You can read my Cactus Talk & Update and Cactus & Succulent Tips to get my opinion about growing cactus and succulents.

 

Agave americana ‘K&K’ on 8-12-12, #115-1.

Although Agave americana is a native of Arizona, New Mexico, and Texas, they are grown worldwide as an ornamental. That has led to them becoming naturalized in many other countries. There are four accepted subspecies, that I know of, and several popular cultivars. A few have received the Royal Horticultural Society’s Award of Garden Merit.

 

<<<<2013>>>>

Agave americana ‘K&K’ on 6-1-13, #151-3.

When I moved back to the family farm in mid-Missouri in February 2013, I had to give up most of my plants, including the largest Agave. I did bring one of its pups, though.

 

Agave americana ‘K&K’ on 8-23-13, #178-3.

The name Century Plant is a little misleading. They typically live 10-30 years and flower only once at the end of their life. The plant dies after flowering, but by then, it will have produced MANY pups. Plants grown indoors rarely flower.

 

Agave americana ‘K&K’ on 9-17-13, #188-1.

The Agave americana did very well in mid-Missouri although it is in a pot because it won’t survive the cold winters here. I decided I would need to put it in a larger pot the next spring.

 

Agave americana ‘K&K’ on 12-7-13, #208-1.

As strange as it may sound, the Agave and may of the other succulents didn’t mind being in the basement over the winter for a few months.

 

<<<<2014>>>>

Agave americana ‘K&K’ on 6-1-14, #228-4.

Back outside for the summer once again. I did put it in a bigger pot and remove the offsets. Now they will all have room to grow more.

 

Agave americana ‘K&K’ on 7-12-14, #231-3.

Sad to say, but I gave up most of my plants in the summer of 2014. Now I am starting over and hopefully someday I will find another Agave americana.

I hope you found my tribute to the Agave americana useful. If you have any questions, comments or suggestions, I would like to hear from you.

I hope you enjoyed this page and maybe found it useful. If you have any comments, questions or suggestions, I would like to hear from you. Please click on “like” if you visited this page. It helps us bloggers stay motivated. 🙂 You can check out the links below for further reading. The links take you directly to the genus and species of this plant.

Just remember that many photos of Agave americana online, even from reliable websites, are actually Agave americana subsp. protoamericana. I also noticed some websites calling Agave americana with the leaves curling downward as Agave americana var. americana.

FOR FURTHER READING:
PLANTS OF THE WORLD ONLINE (GENUS/SPECIES)
WIKIPEDIA (GENUS/SPECIES)
LLIFLE (ENCYCLOPEDIA OF LIVING FORMS)
DAVE’S GARDEN
GARDENIA
MISSOURI BOTANICAL GARDEN
PFAF (PLANTS FOR A FUTURE)
HOUSE PLANTS EXPERT

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