California barrel cactus (Ferocactus cylindraceus) Flower, Leaf, Care, Uses

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California barrel cactus

Ferocactus cylindraceus

Also known as : Miner's compass

California barrel cactus, or Ferocactus cylindraceus, gets its name from its barrel shape. Also, ferocactus means fierce or wild cactus. This is probably the largest type of cactus that grows in American deserts. This cactus has fierce spines, flowers that grow out of the top, and hollow yellow fruits that generally are not regarded as edible.

Planting Time

Spring, Summer, Fall

More Info

Flower Color

Yellow

Bloom Time

Spring, Summer, Early fall, Late winter

Symbolism

Endurance

Scientific Classification

Phylum

Vascular plants

Class

Dicotyledons

Order

Pinks, cacti, and allies

Family

Cactuses

Genus

Ferocactus

Species

California barrel cactus

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Distribution Map

Habitat

Desert, chaparral

Native

Cultivated

Invasive

Potentially invasive

Exotic

No species reported

Questions About California barrel cactus

Temperature

What is the optimal temperature for California barrel cactus?

For this tropical plant to thrive, you’ll want to keep them between 75℉ and 90℉ (25-32℃). Each species can handle temperatures outside of this range, but keeping it within several degrees of these limits will ensure they grow to their maximum potential.

As for its extreme temperature limits, any environment below 50℉ (10℃) or above 95℉ (35℃) will begin to hinder its growth and cause various aberrations to its leaves and stems. This is especially true with low temperatures; even a light frost can cause your tropical plants to perish. Cellular death can begin to happen at a rapid pace, with some species dying in as little as 12 to 24 hours.

Does California barrel cactus require different temperatures for different growing phases?

While California barrel cactus doesn’t require any changes in temperature to enter different growing phases, it is important to stay consistent. Wild temperature fluctuations can slow down its growth regardless of its current phase, so it's always better to keep them in a controlled environment. That optimal temperature range of 75℉ and 90℉ (25-32℃) is vital to maintain, especially staying above the lower limit. Going above 90℉(32℃) isn’t ideal, but as tropical plant it won’t suffer too much. On the other hand, going below 50℉ (10℃) (and especially 40℉/5℃) will begin to directly damage this heat-loving plant species.

Does California barrel cactus need different temperatures for different seasons?

California barrel cactus does not need different temperatures for different growing seasons. The most important step in seasonal care is to keep the environment within the optimal temperature range. That's why it's always best to keep this plant indoors. That way, you can control the temperature no matter what the climate is like outside.

Light is also important for tropical species, with all of these plants preferring a partial side level of sun exposure. This means any light they receive needs to be dappled or filtered, with bright but indirect light being the best option when growing your plants indoors. Too much direct sunlight can negatively affect your plant’s leaves, reducing its growth potential.

What are the temperature guidelines to keep your California barrel cactus healthy?

Tip #1: Don’t Leave Your Plant Near Windows in Colder Months

If you want to make sure your plant isn’t exposed to colder temperatures, you may want to keep them away from windows. In colder months like late fall and winter, even the smallest draft can leak cold air into your home through cracks in your windows. While this air usually dissipates and warms up as it travels throughout your home, any plants placed in close proximity to the window will be affected. Move your tropical plants into an area where they will still get bright but indirect light, while making sure they won’t be affected by potential drafts.

Tip #2: If You Find Dry Patches, Your Plant May Be Getting Too Much Sunlight or Heat

You may notice the leaves become white or even scorched on a sunny day. These discolorations and unusual markings usually indicate that a plant is getting too much heat or sunlight, and it may be dehydrated. Excess light and heat will dry out the soil, stopping plants from getting the moisture they need to support their cellular structure. It also slows down or stops the process of photosynthesis, further hindering growth. If ignored for too long, these dry spots can spread and eventually result in the death of your plants.

Tip #3: Avoid Frost at All Costs

Colder temperatures and frost can damage your plants by causing ice crystals or disrupt normal physiological activity. This makes it nearly impossible for water to move freely throughout plant tissue, creating a deficit of moisture in their stems and leaves. You can tell a plant has been damaged by frost if it begins to suffer from hydrosis (it will appear as though it's soaked with water.) If the problem persists, your plants may begin shriveling and turning a dark brown or black hue. After that, the plant will almost certainly die.

What is the best way to maintain the right temperature for my California barrel cactus?

The best way to maintain the right temperature range for California barrel cactus is by keeping an eye on both the climate and humidity. You’ll want to try to keep each species in a room where you have access to climate control, keeping the heat in the temperature range best mimics its natural habitat. The humidity levels will also have a direct effect on temperature, so it's important to monitor these as well. You can artificially raise the humidity of your growing space by using a humidifier or lightly misting the leaves with water.

If you intend to grow this species outside, you may find it difficult to maintain the right balance of temperature and humidity. If temperatures begin to drop or the air becomes too dry, your best option is to find room within your home and move your plant inside. An indoor growing space will allow you to control the climate more closely, helping your plant reach its full potential.

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Lighting

Full sun

The california barrel cactus has a strong affinity to generous light exposure, synonymous with its natural habitat. Inadequate light results in growth impediments, while an excess could lead to sunburn. Throughout its growth stages, this plant flourishes best with substantial light levels.

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Temperature

0 43 ℃

California barrel cactus naturally thrives in environments with temperatures ranging from 68 to 100 °F (20 to 38 ℃). This plant prefers heat and can adapt to minor fluctuations. Adjustments may be necessary during cold seasons to ensure survival.

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Bloom Time

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Add to My Garden

California barrel cactus

Ferocactus cylindraceus

Also known as: Miner's compass

Planting Time

Spring, Summer, Fall