Ask Categories: Herbaceous Perennials; Invasive

Plant ID – Broad-leaved helleborine

A few bunches of this plant comes up in my flower bed. Also they came up a few spot on my lawn this spring. Wondering what is this, and are they invasive and should remove asap.…

Weeding grass among Vinca minor

How can I eradicate the tall grasses intertwining amongst my established vinca minor (besides painstakingly hand pulling)?…

Zebra grass

I planted some zebra grass last year in full sun. They were beautiful with their variegated leaves. I pruned them in early winter. This spring, these zebra grass came back but have no variegation. They’ve lost their variegation. They look…

How to Get Rid of Invasive Backyard Mint

Hello, The homeowners before us planted mint in the backyard, right in the ground, no pots. It’s spread all over our yard – what’s the best way to get rid of it organically (no herbicides, we have small children)? Thank…

Ivy Topiary for the Outdoors

I am interested in growing a topiary. I have plan on using a three foot lollipop shaped form in a container. I was wondering if you could tell me which kind of Ivy is the fastest growing and the least…

Evergreen fern and goutweed

I am in Toronto. Soil is clay. Garden is full shade. Looking for hardy evergreen fern that grows up to 3’ tall to plant in between euonymus. Also would consider growing them in large fabric planters (to avoid being trampled…

Mock strawberry plant

1. I believe I have some mock strawberry on my lawn (see attached) and have spent hours pulling it up by the roots. I have applied a solution of diluted vinegar and am considering placing some cardboard over some areas.…

Dog strangling vine smothering

Hi there, Cold you please advise if I should smother a patch of this weed now or in the spring. I feel like cardboard would disintegrate over the winter and have to be replaced in the spring? It’s at the…