In Vista, CA I have serious problems with Asparagus asparagoides. It shows up everywhere, can cover a small citrus tree in no time and the tuberous roots are difficult to remove. Richard Wagner Here in Oceanside, CA. I grow the following asparagus: aethiopicus, africanus, asparagoides, densiflorus, denudatus, falcatus, minutiflorus, plumosus, racemosus, retrofractus, setaceous, suaveolens, and virgatus. Joe