Per Halloween mia cugina compra una candela arancione.

Here per means something like for Halloween or for the occasion of Halloween.

So Per Halloween mia cugina compra una candela arancione suggests that the candle is bought for Halloween.

A few useful comparisons:

• per Halloween = for Halloween
• a Halloween is not the normal choice here
• ad Halloween may occasionally be heard in some contexts, but per Halloween is the most natural way to express the idea of doing something for that holiday

So if an English speaker is thinking, “Why not on Halloween?”, the Italian sentence is focusing more on the purpose/occasion than the exact day.

This is a very common point in Italian.

With singular family members, Italian usually uses the possessive adjective without the article:

• mia cugina = my cousin
• mio fratello = my brother
• mia madre = my mother

So mia cugina is normal.

However, there are important exceptions:

• with plural family members, you usually do use the article: i miei cugini
• with some modified forms or affectionate/diminutive forms, the article can appear
• in some regional or stylistic uses, you may also hear forms with the article

But in standard basic Italian, mia cugina is exactly what a learner should expect.

Compra is the third-person singular present tense of comprare.

It matches mia cugina:

• io compro = I buy
• tu compri = you buy
• lei/lui compra = she/he buys

Italian often uses the present tense in situations where English might use:

• the simple present: buys
• the present continuous: is buying
• sometimes even a near-future idea, depending on context

So compra could mean:

• she buys
• she is buying
• she buys it for Halloween / she usually buys it for Halloween

The exact nuance depends on context.

Candela is a feminine singular noun, so the indefinite article must also be feminine singular:

• un for many masculine singular nouns
• una for feminine singular nouns

So:

• una candela = a candle

You can tell it is feminine because the usual dictionary form is candela, and nouns ending in -a are very often feminine.

In Italian, adjectives often come after the noun, especially when they describe a basic quality such as color, shape, nationality, or type.

So:

• una candela arancione = an orange candle

This is the normal order.

English usually says:

• orange candle

Italian usually says:

• candela arancione

Some adjectives can come before the noun, but with colors, placing them after the noun is the standard pattern.

Good question. Arancione is one of those adjectives that often has the same form for masculine and feminine singular.

So you can have:

• un fiore arancione
• una candela arancione

In the plural, it becomes:

• fiori arancioni
• candele arancioni

So the important pattern is:

• singular: arancione
• plural: arancioni

It does not change to something like aranciona.

Yes. Italian word order is fairly flexible.

This sentence begins with Per Halloween, which sets the scene first. That is very natural.

But you could also say:

• Mia cugina compra una candela arancione per Halloween.

That version is also correct and natural.

The difference is mainly one of focus:

• Per Halloween... puts the occasion first
• Mia cugina... puts the subject first

Both are acceptable.

It is a borrowed word, but it behaves very naturally in Italian.

In this sentence:

• it does not need an article
• it stays unchanged
• it follows the preposition per directly: per Halloween

Italian often keeps names of holidays and imported celebrations in their original form, especially modern international ones like Halloween.

So learners should not expect it to change form.

By itself, it could be understood either way.

Because the verb is in the present tense, the sentence might mean:

• a habitual action: every Halloween, my cousin buys an orange candle
• a current or near-future event, depending on context

Without more context, Italian leaves that a bit open.

If you wanted to make the habitual meaning clearer, you might add something like:

• Ogni anno, per Halloween... = every year, for Halloween...

So the present tense in Italian is often broader than English learners first expect.