De volkstuin is weliswaar klein, maar de grond is goed.

Volkstuin is a compound noun:

• volk = people
• tuin = garden

A volkstuin is an allotment garden or community garden plot: a small piece of land, often rented, where people grow vegetables, flowers, and so on.

Dutch forms compounds very freely, so it is normal to combine nouns like this into one word.

In Dutch, nouns are assigned a grammatical article, usually de or het.

Here:

• de volkstuin
• de grond

Both of these nouns are common-gender nouns, so they take de.

Unfortunately, there is not always a simple rule that lets you predict whether a noun takes de or het, so learners often need to memorize the article together with the noun.

Weliswaar means something like:

• admittedly
• granted
• it is true that
• to be sure

It introduces a concession: you admit one point before contrasting it with another.

So in this sentence, weliswaar klein means something like admittedly small or small, it is true.

This is a very common Dutch pairing.

• weliswaar introduces a concession
• maar introduces the contrast that follows

So:

• weliswaar klein, maar ... = admittedly small, but ...

This works a lot like English patterns such as:

• It may be small, but ...
• Although it is small, ...
• Admittedly small, but ...

Dutch often likes to make this contrast explicit with both words.

Because Dutch main clauses usually follow the verb-second rule.

In the clause:

• De volkstuin is weliswaar klein

the first element is De volkstuin, and the finite verb is must come second. After that, adverbs like weliswaar can appear.

So this order is normal:

• De volkstuin is weliswaar klein

and not:

• De volkstuin weliswaar is klein

That second version sounds wrong in standard Dutch.

Because here the adjectives are used predicatively, not attributively.

Compare:

• de kleine volkstuin = the small allotment garden
• de grond is goed = the soil is good

When the adjective comes before a noun, it often takes -e:

• de kleine tuin
• de goede grond

When the adjective comes after a form of zijn and describes the noun, it usually has no ending:

• de tuin is klein
• de grond is goed

That is exactly what is happening in your sentence.

Yes, but in this context grond usually means soil or land, not just the physical ground in a general sense.

In a gardening sentence like this, de grond is goed means the soil is good/fertile/suitable for growing things.

So although the basic translation is ground, the practical meaning here is closer to soil.

Yes, the idea is very similar, but the structure changes.

For example:

• Hoewel de volkstuin klein is, is de grond goed.

That means the same basic thing: Although the allotment garden is small, the soil is good.

The difference is mainly structural:

• weliswaar ... maar ... uses two coordinated main clauses
• hoewel introduces a subordinate clause, so the word order changes and is moves later in the clause: hoewel de volkstuin klein is

So the meaning is close, but the grammar is different.

The comma separates two clauses joined by maar:

• De volkstuin is weliswaar klein
• maar de grond is goed

This is very natural in Dutch, just as in English with but. The comma helps show the contrast between the two parts.

Dutch normally keeps the second clause complete after maar when the structure is:

• clause 1 + maar
  • clause 2

So:

• De volkstuin is weliswaar klein, maar de grond is goed.

That is the standard full form.

In some contexts Dutch can omit repeated material, but here the full clause sounds most natural and clear. Since the second subject is different (de grond instead of de volkstuin), keeping is is exactly what you would expect.

Here goed is fairly general, but in context it suggests that the soil is:

• fertile
• healthy
• suitable for planting
• productive

So de grond is goed does not just mean the soil is morally good or something abstract like that. In a gardening context, it means the soil is of good quality for growing plants.