Solutions for the houseplant serial killer, how to shop for groceries the green way, and nine more things to know about this weekend:

Above: We asked, you answered; these are the 10 hardest houseplants to keep alive, according to Gardenista readers. (Have one to add? Let us know in the comments.) Photograph by Mimi Giboin for Gardenista, from The Houseplant Diaries: How I Learned to Stop Worrying and Love Finicky Ferns.
- But, fear not, dejected houseplant killers: Kristina went on TV to reveal the top reasons your plants are dying (and what to do about it).
- W.S. Merwin died yesterday: for 91 years, a poet gardener.
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Is it time to start mowing the lawn?
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Real estate developers want to block the Brooklyn Botanic Garden’s sun with 39-story tower buildings that could kill up to half the plants. The garden is gathering signatures on a petition to oppose the plan.
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Podcast alert: Is it OK to drink gene-edited orange juice? (And BTW what is gene-edited orange juice?) Answers here.
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Attention, Montreal readers: Get your free tree seedlings here.
- Recently spotted: a Brooklyn-based waste-free, package-free food delivery service.
- Looking to make your grocery shopping more eco-friendly? Here’s what you’ll need.
- Five companies that’ll make your Ikea sofa look custom.
- And, for your Saint Patrick’s Day festivities.
Previously in Obsessions: