6,340 Garden Web Discussions | Growing from Seed

Check you soil temperature with a cheap thermometer from the grocery store. I think they are called candy thermometers (Some meat thermometers don't register low enough temperatures), have a metal probe that can be stuck into the soil and a dial on top to read temperatures.
I too have noticed that newer furnaces put out lower temperature air. Also the top of newer refrigerators are not as warm as the old ones were. I start my seed on a shelf in the laundry room above the washer/dryer. It is not consistently warmer but then neither is nature consistent. I wonder if sometimes the variation in temperature could be healpful.


When you graft onto a seedling the seedling is juvenile but the scion is from a mature tree and has the maturity needed to produce flowering/fruiting buds. The number of years a tree remains juvenile depends both on the species and how well it is grown. A tree grown without root competition or compaction problems will fruit earlier. Many university tests have been made as well as those from fruit grower societies. Al

Pinus parviflora , Japanese White Pine , sow 3 months moist cold @ 39F, move to 70F for germination.
Pinus thunbergii, Japanese Black Pine, sow 2-3 months moist cold, move to 70F for germination. Very fresh seeds may germinate quickly.
Acer buergerianum , Trident Maple , sow moist cold @ 39F for germination in 6 to 8 weeks - watch these, they may germinate at cool temperatures before you remember to bring them out to warm
Taxodium distichum, Bald Cypress, pour very hot water over seeds (just short of boiling) to help remove resin coating prohibiting water from breaching the seed. Moist cold 39F 60 days, then bring to warm.
All of these could be sown and placed outdoors now in your zone and exposed to a range of temperatures for Spring germination.

Be sure to check out the Tree Forum here too. They have a bunch of great FAQ's and discussion tips there about growing many different varieties from seed.
Dave
Here is a link that might be useful: Tree Forum - Growing from Seed

From the FAQ here:
To find out the germination requirements of a specific plant type the plant name + germination into an internet search engine. There are literally hundreds of thousands of plants with different germination requirements. A search engine can rapidly provide links where you can read the answers.
EX: Google "catalpa seed germination" gets you many links. One is to the Thompson-Morgan Seed Germination Database which covers every species you can think of and which you can print out free of charge.
Also, if you will search this forum (use search bar at bottom of the page) by name of seed you'll find previous germination discussions on most of them. I found instructions posted for most all on your list.
Good luck.
Dave
Here is a link that might be useful: TM Seed Germination Database

Thanks for helping, heres some successfull results i found with the palo verde seeds: using a pair of nailclippers snip a piece off the seeds, not thick just enough to get through the seed coat, then soak in water, i had roots appear in 3-4days, i will get back info on others when i find results


Starting from cuttings in a greenhouse with bottom heat would be fastest, but you would need a source for the cuttings. Seed is cheap and easy but about a year slower, and would need to also be grown and transplanted. Lavender as you are planning to use it, will get tall and woody within 10 years even with yearly pruning. Rosemary might be better suited among several other plants. Al

You are growing a coast redwood in a container permanently? If that is the case, I would suggest looking in the container forum for soil suggestions as well as root pruning techniques. A redwood will soon outgrow any container unless treated as Bonsaii. If you are only keeping it in a container until it is large enough to plant in the garden your soil mix will do. Al

Fantastic, I really appreciate the info. Sounds like the same method I had to use on my canna seeds. Boy, were they hard! Ended up having to use a drill, but got 100% germination. I'll start poking those little buggers right away. Again, thanks a bunch nckvilledudes.


I haven't grown it, but it looks like the approach is the same as for other perennial types...
Moist cold 3 - 4 weeks, move to 70ish for germination in additional 30 - 90 days. If the seeds are fresh the initial chill may not be necessary, but it certainly doesn't hurt and may improve germination percentage


To most of the world, Mountain Laurel refers to Kalmia latifolia Linne. The plant is assigned to the Heath family or Ericaceae. The use of a common or local name as You have done exhibits the complete futility of such a name. When Kalmia is used, anyone, anywhere in the world will completely understand what You are trying to convey.

This is out of"How to grow Native Plants" by Jill Nokes. GREAT BOOK!!! for those who like texas natives. Seeds may be scarified with a knife or file. Or soak them in concentrated sulfuric acid for 30-90 minutes Pre treated seeds will germinate in 2-3 weeks once the soil has warmed The medium should be extremely well draining and drenched with fungicide. Use a deep pot to germinate in , not a flat. Grow in shade for the first year before you put it out in the blazing sun. They will grow in the shade and partial shade but they bloom better the more sun they get. There is a silver leafed variety
To the out of state person who was worried about cold hardiness. They do Zone 8. Central Tx gets into the teens pretty much every winter for a brief period. Normally one or two nights and then it warms up in the day. We do not stay below freezing but rarely during the winter. Last year we had a 3 days of continuous below freezing wet weather. YUCK. We have trees all over town and we have trees indigenous to our hills. On the map , I think thast we are the furthest north that the natural habitat goes. You see them growing in the wild on limestone hills with perfect drainage. It might be a thing of moisture and cold combined that does them in. Cold and wet might be the bugger and that is why they grow in west Texas but not in Texarcana.
I have used a stationary belt sander to nick my seeds and I have put them out a bit before the soil warms totally. I find the rot problems increases as the weather warms. Rot is the problem. I have many seeds that have rot in the pot before germinating.


Do not cover the seed soil temp 60-70F & takes 30-90 days to germinate.
thanks for germ. info. can you tell me what the seeds look like?