Marianne’s Responses
Fertilizer for Stellar Ruby Magnolia
Posted by Suzbo | April 8, 2026Hi Marianne, what is the best fertilizer for a Stellar Ruby Magnolia. I am plant sitting one for my daughter who is moving into a new house in Seattle. The plant was in the markdown area when shopping today, and looks like it needs some tender loving care although the yellow leaves aren't dry or dropping off. Should I fertilize ...
Samples
Posted by Val Gillman | April 3, 2026Do you still offer sample packets of Osmocote to Master Gardener programs? I am the treasurer of the Sheboygan County Master Gardeners program in Wisconsin. We were looking for items to share with our 50 members at one of our educational events. What do you need from me for such a request. Thank you.
Donation Request
Posted by SHERYL Pancaro | March 23, 2026We are inquiring about how to obtain a donation for our upcoming church tricky tray
Osmocote Trial Packs
Posted by tinabertrand | February 21, 2026Hello! I am trying to find the link on the site to request sample packs as in years past for MG events…our plant sale. Could you please forward the link or new way to submit requests? Thank you in advance!
How to change email address
Posted by Brynn Beals | February 20, 2026Sorry to bother you but I want to change my email address and cannot find a way to contact someone with a tech question. Can you provide a contact? Old email: bbeals@rainierconnect.com
Dwarf gingko varieties
Posted by AM Dinwoodie | January 10, 2026I'm intrigued by your recent mention of dwarf ginkgo trees that can grow in pots. Are there specific varieties that you recommend? Thanks, Anne-Marie Olympia, WA
Should I Be Concerned about Strange Growths on Dahlia Tuber
Posted by Christy Nicandri | November 18, 2025I’ve never seen this on a dahlia tuber. Is it something to be concerned about? Do I need to toss the tuber? It looks like white rice. Thanking you in advance.
How to Plant Naked Lady Bulbs (Amaryllis Belladonna)
Posted by Christy Nicandri | November 10, 2025How deep do I plant naked lady bulbs? I am planting them in the ground. I’ve read to plant them just so the tops of the bulbs show. The instructions that came with them say to plant them 8-9” deep. Who is correct? There’s a big difference between the suggested planting depth. Thanking you in advance.
How to Deal with Phytophthora Root Rot
Posted by Kelly Campbell | October 13, 2025Hi, Marianne, I had three large Rhodies (over 20 years old) that were diagnosed with Phytophthora root rot. Bartlett Tree experts diagnosed and recommended treatment, including Boost Seattle 20-0-5 and root invigoration using an Air-spade. Two have died, and the third rhodie looks like it's starting to die. What can I do to eradicate this from the soil so it ...
What Can I Do About Dahlia Mildew?
Posted by Sandra Spee | October 11, 2025I have a very large garden with vegetables and lots of dahlias. I have gardened in this spot for 40 some years. This year I had what looked like powdery mildew on some of my dahlias. I have never experienced this before. My husband sprayed the plants with neem oil and copper spray. It helped a bit, but the mildew ...
