How do you say

I bought a new car last week, and it’s really convenient to drive it to work now.

..in Chinese?

我上周买了一辆新车,现在每天开着去上班很方便。

wǒ shàng zhōu mǎi le yī liàng xīn chē , xiàn zài měi tiān kāi zhe qù shàng bān hěn fāng biàn 。

How do you say "I have taken up gardening recently and spend a lot of time in the backyard each week planting all sorts of flowers." in Chinese?