Si plantem aquesta llavor avui, potser podrem collir alguna cosa a la tardor.

In Catalan, after si meaning if, a real or possible future condition normally takes the present indicative, not the future.

So Catalan says:

• Si plantem aquesta llavor avui...
• literally: If we plant this seed today...

Even though the meaning refers to the future, the verb after si stays in the present. This is very common in Catalan and also in English: If we plant it today, we’ll harvest later, not If we will plant it...

Plantem is the 1st person plural present indicative of plantar:

• jo planto = I plant
• tu plantes = you plant
• ell/ella planta = he/she plants
• nosaltres plantem = we plant
• vosaltres planteu = you all plant
• ells/elles planten = they plant

So plantem means we plant.

Podrem collir means we may be able to harvest or we might harvest, depending on context.

• podrem = future of poder = we will be able to / we may be able to
• collir = to harvest, pick, gather

Using poder + infinitive makes the statement a bit less direct and more tentative than collirem.

Compare:

• collirem alguna cosa = we will harvest something
• podrem collir alguna cosa = we may / will be able to harvest something

Because the sentence also has potser = maybe/perhaps, the overall tone is cautious and uncertain.

Potser means maybe or perhaps.

In this sentence:

• potser podrem collir... = maybe we’ll be able to harvest...

It often goes before the verb phrase, but Catalan word order is fairly flexible. You could also hear:

• Si plantem aquesta llavor avui, podrem potser collir alguna cosa a la tardor.

But the version with potser before the future verb is more natural and common.

Also, potser does not force the subjunctive here. It works fine with the indicative.

Alguna cosa is a very common Catalan expression meaning something.

It is made up of:

• alguna = some
• cosa = thing

So literally it is some thing, but as a fixed expression it simply means something.

In this sentence:

• collir alguna cosa = harvest something

It can sound a bit broad or indefinite, which fits the idea: we do not know exactly what we will get, only that we might get something.

Because llavor is a feminine singular noun, the demonstrative has to agree with it.

• aquest = this, masculine singular
• aquesta = this, feminine singular

So:

• aquesta llavor = this seed

If the noun were masculine, you would use aquest instead.

Llavor is the normal everyday word for seed.

It is the most natural choice in a sentence like this about planting and harvesting. Learners should treat llavor as the basic word to know first.

Other words may exist in more technical, regional, or literary contexts, but llavor is the common standard word.

Yes, very often.

La tardor means autumn/fall, and after the preposition a you usually get:

• a la tardor = in autumn
• a la primavera = in spring
• a l’estiu = in summer
• a l’hivern = in winter

So the article is normal here.

English often says in autumn without an article, but Catalan commonly uses a + article + season.

Yes. Catalan allows some flexibility with adverbs like avui.

The given sentence:

• Si plantem aquesta llavor avui...

is perfectly natural.

But you could also say:

• Si avui plantem aquesta llavor...

Both mean the same thing. The choice is mostly about emphasis or rhythm.

• avui at the end of the clause can sound slightly more neutral
• avui earlier can emphasize today

Here si means if, and it is written without an accent.

That is different from:

• sí = yes

So:

• si plantem... = if we plant...
• sí = yes

This is an important spelling distinction in Catalan.

In standard Catalan, ll is traditionally a palatal sound, roughly similar to the lli sound in English million for many learners.

So:

• llavor
• collir

both contain that ll sound.

However, pronunciation can vary by dialect, and in some varieties it may sound closer to a y sound. For learners, the safest approach is:

• recognize ll as a special Catalan spelling
• aim for a soft ly-type sound at first

That will usually be understood well.

Collir can mean to harvest, but also more generally to pick or gather.

For example, it can be used for:

• harvesting crops
• picking fruit
• gathering flowers

In this sentence, because we are talking about planting a seed and waiting until autumn, collir is naturally understood as harvest.

Sometimes yes, depending on style and context, but podrem is the most straightforward choice here.

The sentence uses:

• potser podrem collir... = maybe we’ll be able to harvest...

That clearly points to the future.

In everyday Catalan, the present can sometimes refer to the future, but in a sentence like this, the future tense sounds especially natural because it is talking about a later result.

Yes. It is a real/open conditional: a condition that is possible and has a possible future result.

Structure:

• Si + present indicative
• main clause with future or another appropriate tense

So here:

• Si plantem aquesta llavor avui = if we plant this seed today
• potser podrem collir alguna cosa a la tardor = maybe we’ll be able to harvest something in autumn

This is the normal pattern for realistic future conditions in Catalan.