The nouns in the sentence are:
Mother
design
gardener
garden
(note: rose is also a noun but used as an adjective in this sentence)
That gardener cares very much for his garden.
This sentence can't be written in passive voice. If the verb in the sentence does not have an object, you can't make the sentence passive. A passive voice sentence using some of the words would be, "The garden is going to be cleaned by the gardener." The active voice form would be, "The gardener is going to clean the garden." In this sentence, the subject is "gardener" and the object is 'garden."
The gardener tends to the plants in the garden, ensuring they receive proper care and maintenance.
A person who works in a garden is called a gardener.
A gardener will typically tend to his garden daily.
I think that decorative garden stakes would make an excellent gift for a gardener. I think if you make the stakes yourself with interesting and unique design will also show more creativity and more uniquenes.
To garden....
Horticulturists, florists, farmers, and herbivores look after plants.
A gardener
Garden at peoople houses Garden at schools
gardener
its about a gardener with problems with his garden so ladybugs come and make his garden pretty