Question from Helen in Ajax, Ont.: Just wondering if there is any news about impatiens plants. As you know, we have been told not to plant the regular garden-stand impatiens due to the downy mildew issue that hit them a few years ago. Have the growers been able to develop a replacement? Will we see them in the nurseries this spring? If so, are they safe to plant? Beckie’s … [Read more...] about What impatiens plants can be grown?
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Question from Beverley in Saint Lazare, Que.: What type of fertilizer does one use on spring bulbs once they have flowered? I heard it was helpful for tulips and daffodils to apply a fertilizer while they store up energy for next year. Beckie’s response: In the case of bulbs already established in your garden, most experts recommend feeding them twice a year with a … [Read more...] about What fertilizer for spring bulbs?
Question from Pamela in Sarnia For years, I have planted daffodils in the fall. They bloom the next spring and then never bloom again. I have never had one re-bloom. Any explanation ? Beckie's reply: Daffodils are generally reliable bloomers. A bonus is that they’re unpalatable to deer, squirrels and rabbits, which often treat a display of spring-blooming bulbs as their … [Read more...] about Why don’t my daffodils re-bloom?
Question from Elizabeth Where can I buy seeds or plants for Incarvillea mairei seeds or plants? Beckie's reply: We couldn’t find a source for dwarf hardy gloxinia (Incarvillea mairei) in Canada, but did find a seed source in Germany, Jelitto Seeds (jelitto.com). The site indicates that they ship internationally. Another suggestion would be to contact the Ontario Rock … [Read more...] about Where to get seeds for Incarvillea mairei?
Question from V.J. in Cobourg, Ont. How do I get rid of leaf curl on hydrangea or prevent the leaf curling pest on Annabelle hydrangeas? Beckie's reply: There is a good discussion of the pest you describe on the Toronto Master Gardeners website (torontomastergardeners.ca). According to their research, the curling of hydrangea leaves could be caused by one of two … [Read more...] about How to get rid of leaf curl on hydrangea?