How do you say

My mother and I go on outings to the park for picnics every weekend.

..in Chinese?

我和妈妈每个周末都会一起去公园野餐。

wǒ hé mā mā měi gè zhōu mò dōu huì yì qǐ qù gōng yuán yě cān 。

How do you say "He has taken up gardening recently, and spends much of his weekends in the backyard tending to his plants." in Chinese?