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Monarch caterpillar
(lemmy.nz)
It's that time of year again, when the kids (and myself) get overly invested in the lifecycle of these grubs. Last year we managed maybe a 10% success rate (from egg to butterfly) hopefully we'll do better this time round.
Where do I get moth vine and giant swan ?.
Giant Swan is found for sale, maybe the Moths and Butterfly Trust on Trademe is selling it?
Moth vine is a common pest plant, there's probably some in any suburban area your council can't reach with spray.
Looks like giant swan is what I normally use. I don't live anywhere near suburban. But I'll be on the look out. Sounds like it dies off in the cold