De or het lavendelplant?

The correct Dutch article is:

de lavendelplant

How to use lavendelplant

the lavendelplantde lavendelplant
this lavendelplantdeze lavendelplant
that lavendelplantdie lavendelplant
our lavendelplantonze lavendelplant
your lavendelplantjouw lavendelplant
every lavendelplantelke lavendelplant
which lavendelplant?welke lavendelplant?
a big lavendelplant / the big lavendelplanteen grote lavendelplant, de grote lavendelplant