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  1. rockm

    Time to repot? Which pot is the better choice?

    You have a seedling. The truth is It is not anywhere near being a bonsai and won’t be for a very long time. If you’re really serious about making it j in to a bonsai plant it in the ground and wait five to ten years for the trunk to thicken enough to work with
  2. rockm

    Time to repot? Which pot is the better choice?

    Keep it inside and it will die. It doesn’t need repotting and won’t for five or six years. If you put it outside now and leave it there that might happen. It won’t if you keep it inside. You’re already seeing the first signs the tree is not in the greatest of health FWIW the pots you have are...
  3. rockm

    Time to repot? Which pot is the better choice?

    ALL conifers (pine cedar spruce etc) HAVE TO BE OUTSIDE. inside light levels even on a window sill is nowhere near intense enough to keep them healthy
  4. rockm

    What are the best ways to give myself a deep understanding of bonsai pots?

    Best way to inform yourself is to get out and look at good and great bonsai pots. Bonsai Shows museums etc. also a trip to an Asian art museum can help if that museum has displays of ceramics. Good and great bonsai potters use ancient pottery for examples of glazes and shapes. If you have a...
  5. rockm

    International Bonsai Imports into the US

    The conditions you’ve describe are what are in the aphis quarantine requirements and the protocol for importing bonsai into the U.S. I’ve listed all that above. Cultivation in a contolled environment for three years. That period in a controlled environment is the quarantine period. That...
  6. rockm

    Massive trunked Taxus “urbandori” adventure

    I’ve heard this more than once about this species. Good advice to let it alone for a couple of years AT LEAST. Five would be better. Can be unpredictable with recovery. The First flush of new foliage is NOT an indicator the plant has surviveD FWIW deadwood carving has a TREMENDOUS impact on...
  7. rockm

    New entry Zelkova nire

    Zelkova leaves tend to be larger longer and more lance shaped. Tiny ovalish leaves are usually Chinese elm FWIW you aren’t very likely to run into an actual zelkova outside of a specialty nursery or more advance bonsai show vendor area. In other words odds are if you find a bonsai marked...
  8. rockm

    International Bonsai Imports into the US

    If you’re importing to the U.S. it can take up to threes years of quarantine either in the country of origin or in USDA approved sites inthe us Here’s a noted bonsai professional Adam Jones in Japan on the issue: “Tree House Bonsai works closely with the USDA office in Tokyo to ensure our...
  9. rockm

    Chinese elm help, dropped all leafs!

    No. Small greenhouses are notorious for “heat gain” in winter. Greenhouses trap heat pretty effectively turning a 32 degree day into a 70 degree one. That drives trees out of dormancy and early bud break in mid winter. That means you can’t keep the tree in the mini greenhouse without adding a...
  10. rockm

    Chinese elm help, dropped all leafs!

    You do NOT want to bury the pot in the ground. It's unnecessary and can harm your tree. When you dig a hole in the ground, putting the pot below soil level, you have basically created a bowl that will fill with water when it rains. That will rot and kill roots in the submerged pot. Simply...
  11. rockm

    Chinese elm help, dropped all leafs!

    Get rid of the humidity tray. It's useless and a potential problem. Second find a sheltered spot in your yard with a garden bed. Next month, after a few frosts put a brick or two on the surface of the mulched garden bed, place the pot (it should be as level as possible) on the bricks insuring...
  12. rockm

    WTB Forest Pot

    Go here. Enter “18” oval” Matt Ouwinga has some great pots https://www.ebay.com/str/kaedebonsaien
  13. rockm

    Chinese elm help, dropped all leafs!

    Whoever told your has no idea what they’re doing. It will NOT be fine inside simply because someone kept it in a greenhouse. It is a temperate zone species. Greenhouse cultivation doesn’t change genetics. It requires a dormancy period or it will eventually decline in health and die.
  14. rockm

    Brand new Manzanita - general guidance requested

    That’s been the story for a long time. Many many instances of this species being attempted but they don’t pan out well. Doesn’t like root disturbance You may have a leg up here was yours is already containerized but down the road it will need root pruning etc
  15. rockm

    Soil Component Storage Solutions

    Yes but held is more UV resistant than regular plastic.
  16. rockm

    Soil Component Storage Solutions

    Any non-UV resistant plastic left out in direct sun will deteriorate quickly. Stabilized plastic (HDPE), metal etc will work. I use buckets like this but keep them inside to avoid weather extremes (seasonal freeze/thaw and humidity -which can affect the soil regardless of container)
  17. rockm

    Larch Climate Requirements

    The short answer is no. The longer answer-The problem with growing larch above zone 7 is not the lack of cold really (although it’s a factor). It is the nights in summer that don’t drop below 70 f (21 C) larch are native to areas that have colder nighttime temperatures averages. With night...
  18. rockm

    Chinese elm help, dropped all leafs!

    STOP SCRAPING BARK. The tree is dormant for the winter. Just like the trees in the landscape around you Do a search on “overwintering elms” here. You need to do it soon
  19. rockm

    Chinese elm help, dropped all leafs!

    Leave it outside. Find a place in your garden/yard to mulch the tree into for the winter
  20. rockm

    Forsythia deadwood

    Wouldn’t bother treating it with anything. The wood on forsythia is extremely soft and treating it won’t add much. Clean the hollow out as much as possible keep the tree growing to help close the wound
  21. rockm

    Chinese elm help, dropped all leafs!

    Your location is important. If it’s autumn where you live and this tree has been kept outside before you got it it’s likely it has dropped its leaves in preparation for dormancy.
  22. rockm

    Champions

    There are some very large old Cedar of Lebanon or Atlas Cedar (can't remember which) on the grounds of Montpelier (James Madison's house) in Orange.
  23. rockm

    Need help with Tagetes Lemmonii before it dies!

    Water the SOIL well until water comes out of the drain holes. Simply spraying it only sets the leaves which don’t take up water
  24. rockm

    Serissa

    Ext spring/summer prune ALL that branching by half to two thirds
  25. rockm

    Champions

    BIG trees in VA (and elsewhere). Click on the left for pics https://bigtree.cnre.vt.edu/results.cfm?BrowseType=NatlChamp&Term=yes
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