Vamos plantar a muda?

In Brazilian Portuguese, vamos + infinitive is a very common way to suggest doing something together. So Vamos plantar... ? means Shall we plant... ? or Let’s plant... ?

Literally, vamos is the we form of ir (to go), but in this structure it works like an invitation or suggestion, not just physical movement.

Examples:

• Vamos comer? = Shall we eat?
• Vamos sair? = Shall we go out?

Because after vamos in this kind of suggestion, Portuguese normally uses the infinitive of the main verb.

So:

• Vamos plantar = Let’s plant
• Vamos estudar = Let’s study
• Vamos ver = Let’s see

English does something similar with let’s + base verb:

• Let’s plant
• Let’s study

You do not say Vamos plantamos here.

Here, muda means a seedling, sapling, or young plant prepared for planting.

This is a very common gardening/agriculture word in Portuguese. It often refers to a small plant that will be transplanted into the ground.

Depending on context, muda can refer to:

• a small tree seedling
• a vegetable seedling
• a young plant grown for later planting

Here a is the feminine singular definite article, meaning the.

So:

• a muda = the seedling

Portuguese usually uses articles more often than English does. Even where English might say plant the seedling or sometimes just plant seedling(s) in a general context, Portuguese strongly prefers the article.

Also, muda is a feminine noun, so it takes a, not o.

Because of the structure of the sentence.

In Vamos plantar a muda?, a comes directly before a noun (muda), so it is the article the.

Compare:

• a muda = the seedling
• vamos à escola = let’s go to school / we go to school

In the second kind of example, a is part of a preposition structure. But in your sentence, it is simply the feminine article.

It is grammatically a question because of the question mark, but functionally it is usually a suggestion or invitation.

So Vamos plantar a muda? is like:

• Shall we plant the seedling?
• How about planting the seedling?
• Let’s plant the seedling, okay?

Portuguese often uses this question form to suggest an action politely.

Not with the same meaning in normal usage.

Plantamos a muda? usually sounds like:

• Did we plant the seedling? or possibly
• We plant the seedling? depending on context and intonation

If you want to suggest doing it together now, Vamos plantar a muda? is the natural choice.

So:

• Vamos plantar a muda? = suggestion/invitation
• Plantamos a muda? = asking whether we planted it

Yes. Muda can have other meanings depending on context, which can confuse learners.

Common meanings include:

• seedling / young plant — the meaning here
• mute (feminine), as in a woman who cannot speak
• forms related to mudar (to change), depending on grammar

But in plantar a muda, the gardening meaning is the obvious one, because plantar strongly suggests a plant-related object.

In Brazilian Portuguese, muda is usually pronounced roughly like MOO-dah.

A simple guide:

• mu sounds like moo
• da sounds like dah

The stress is on the first syllable: MU-da

Portuguese often drops subject pronouns when the verb ending already makes the subject clear.

Here, vamos clearly shows we, so nós is unnecessary:

• Vamos plantar a muda? = natural
• Nós vamos plantar a muda? = possible, but usually only used for emphasis or contrast

This is very common in Portuguese.

It works in both Brazilian and European Portuguese, but it is absolutely natural in Brazilian Portuguese.

In Brazil, vamos + infinitive is one of the most common ways to make a suggestion involving we:

• Vamos embora?
• Vamos começar?
• Vamos plantar a muda?

So yes, this is a very standard Brazilian Portuguese sentence.