El jardín es lindo.

Because jardín is a masculine noun in Spanish, so it takes the masculine singular article el.

• el jardín = the garden
• la casa = the house

The gender of a noun in Spanish is something you usually have to learn with the word itself. Even though jardín ends in -ín, that ending does not automatically tell you the gender, so it is best to memorize it as el jardín.

The accent mark shows where the stress goes: jar-DÍN.

In Spanish, a word ending in -n, -s, or a vowel is normally stressed on the second-to-last syllable. Without the accent, jardin would naturally be pronounced more like JAR-din. The written accent tells you to stress the last syllable instead.

So:

• jardín = stress on -dín

A rough guide is khar-DEEN, but with a few important details:

• j in Spain is a strong throaty sound, like the ch in Scottish loch or German Bach
• the r here is a single tapped r
• the stress is on the last syllable: -dín

So jardín sounds approximately like khar-DEEN.

In Spanish, descriptive adjectives usually come after the noun.

So the normal order is:

• el jardín lindo
• more naturally in a full sentence: El jardín es lindo

With this sentence, lindo is used as a description of el jardín, so its position is completely normal.

You can sometimes put adjectives before the noun in Spanish, but that often changes the tone or emphasis. For a basic descriptive statement, the usual pattern is exactly what you see here.

Es comes from ser, which is used for qualities seen as more general, defining, or characteristic.

Here, El jardín es lindo describes the garden as being lovely/nice in general.

• ser = what something is like
• estar = how something is, often right now or in a particular condition

So:

• El jardín es lindo = The garden is lovely / The garden is a lovely one
• El jardín está lindo = The garden looks lovely right now / The garden is looking nice at the moment

That said, estar + adjective can sometimes be used for appearance or temporary condition. But for a simple neutral statement, es is the standard choice.

Because lindo has to agree with jardín, which is masculine singular.

Spanish adjectives usually change to match the noun in:

• gender: masculine or feminine
• number: singular or plural

Here are the forms:

• jardín lindo = masculine singular
• casa linda = feminine singular
• jardines lindos = masculine plural
• casas lindas = feminine plural

So lindo is used because jardín is masculine singular.

People in Spain will understand lindo, but in Spain it is often more natural to hear:

• bonito
• precioso
• muy bonito

So a Spaniard might more naturally say:

• El jardín es bonito.

Lindo is very common in many parts of Latin America, and in Spain it can sound a bit more literary, affectionate, or less everyday depending on the speaker. It is not wrong, but it is worth knowing that bonito is often more typical in Spain.

Yes. That is a very natural sentence in Spain.

The difference is mainly this:

• El jardín es lindo/bonito = the garden is lovely as a general quality
• El jardín está bonito = the garden looks nice right now / is looking good at the moment

For example, if someone has just cleaned it up or flowers are blooming, está bonito would sound very natural.

Normally, no.

In Spanish, a singular countable noun used as the subject usually needs an article or some other determiner:

• El jardín es lindo.
• Mi jardín es lindo.
• Este jardín es lindo.

Saying Jardín es lindo sounds incomplete in normal Spanish. You might see article omission in titles, labels, notes, or very poetic language, but not in ordinary sentences like this one.

Yes. Those are both possible, but the tone changes a little.

• bonito = pretty, nice, attractive
• hermoso = beautiful, more intense
• lindo = lovely, nice, charming

In Spain, bonito is usually the most everyday choice.
So if you are aiming for natural Spain Spanish, El jardín es bonito may sound more typical than El jardín es lindo.