We have actually several citrus trees consisting of orange, tangerine, lemon, lime, kaffir lime, and also loquat, but we noticed only some that them have actually thorns. So, why execute citrus trees have actually thorns in the first place?

Citrus trees developed to have actually thorns together a defense mechanism versus herbivores. This protection technique is necessary to stop any kind of predators from eating leaves and fruit from the plant. Additionally, citrus trees evolved thorns as a means to retain water in dry regions.

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Now the we know a bit around why citrus trees progressed to have thorns, let’s take it a closer watch at just how citrus trees emerged thorns and a few other concerns you may have. Inquiries such as, “Which types of citrus trees have thorns?” and also “Are these thorns poison or dangerous to gardeners?”. Check out on to discover out more!


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Why carry out Citrus Trees have Thorns?

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As mentioned, young citrus trees have actually thorns to defend the tender fruit and also leaves native being consumed by any animals. Once the plant grows bigger and stronger, that can better protect itself from predators and stops producing as plenty of thorns.

Thorns can additionally prevent trees from acquiring thirsty in dry areas. They perform this by trapping moisture around the plant as a continuous source that water.

But how specifically do this thorns form?

Thorns space actually branches the the tree modifies to finish in a point through the use of stem cells. Instead of the tree telling the cell to keep farming and kind a branch, it tells them to do a thorn.

But not all citrus trees develop thorns. Let’s take it a closer look in ~ which persons do.

Which Citrus Trees have actually Thorns?

Citrus Trees v ThornsCitrus tree Without Thorns*
Mandarin OrangeEureka Lemon
Navel OrangePersian Lime (Tahiti Lime)
Blood OrangeFallglo Tangerine
Meyer LemonDancy Tangerine
Lisbon Lemon
Key Lime
Mexican Lime
Kaffir Lime
Tangerine
Tangelo
Grapefruit
Kumquat

*Keep in mind that the name “thornless” no only consists of citrus trees through no thorn but likewise those through fewer thorns 보다 average. So, also if friend do get a “thornless” variety, there’s a good chance some of the branches will have a few thorns. In general, it’s rare for a citrus tree to be important thornless together they have developed to it is in this means over countless years.

Citrus is among the most renowned fruits in the unified States, with an ext than 200,000 tonnes harvest in 2019, so it’s relatively common to come across these thorny fruit trees.

Here are few of the most typical citrus trees v thorns:

LemonLimeOrangeGrapefruitKumquatTangeloMandarin Orange

Out the these, the most commonly planted room lemon, lime, and orange trees.

However, not all varieties of these fruit will have actually thorns.

Some varieties of citrus trees are specifically bred to have fewer or no thorns.

While lemon trees are consisted of on this list, their thorniness also depends top top the specific type of lemon. Because that example, Eureka lemons are practically thornless if the Lisbon range has plenty of thorns.

Many gardeners would choose to tree non-thorny citrus tree to avoid obtaining their finger pricked however this can’t always be avoided. So, what precisely happens if a thorn pokes you—are castle poisonous or stinging like some various other plants?

Are Citrus Tree thorn Poisonous?

Citrus tree thorns space not poisonous and also do no contain harmful compound or toxins. However, even though the thorns can not poison you, they can cause other medical problems such as infections if the wound is handled improperly.

Although the thorn on citrus tree aren’t poisonous, the oil native the leaves can cause rashes and skin irritation. You should still it is in careful roughly the thorns since they deserve to scratch you. With all the dirt and also plant matter in your garden, open up injuries have the right to lead come infection, so be careful!

Can friend Prune Citrus Tree Thorns?

Citrus tree thorns have the right to be pruned without lot consequence. Ideally, mandrel on citrus trees assist accumulate water in times of drought, however if you live in a region that it s okay plenty of water, climate there’s not lot of a need for thorns on citrus trees.

However, if you generally get travellers from herbivores, especially huge ones such together deer, climate it deserve to be finest to leave the thorns together a deterrent. Citrus tree leaves and fruit are simple and tasty snack for plenty of herbivores, so leaving the thorn on deserve to definitely aid keep her trees alive.

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Still, if her citrus trees are mature and grown, and also you’re no concerned around citrus tree predators or drought, climate you deserve to prune the thorns turn off without losing a benefit.

As you might have guessed—the best way to avoid gaining hurt by citrus tree thorns is to remove them. Examine out this video by IV essential to find out more!