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Looks fine to me. A short plant (space between nodes) is better than a tall skinny plant that stretched due to inadequate lighting. It's working on rooting, first couple weeks can be slow..
Space between nodes essentially is the distance between each leaf set. The first set of true leaves are the jaggy ones that appeared not the round ones. The next set of leaves that appears is the next "node" and so on. You have one main stem so each leaf set is a node, when it starts branching off each branch will have leaf sets with nodes.
On stretching, it's bad when a seedling stretches, a long skinny main stem with long spacing between nodes, the result of inadequate lighting. It's stretching chasing the light. It looks like you applied decent lighting as soon as the seedling broke ground. As as a result you have nice tight "node spacing." It's a good thing, it's stable and has plenty of leafing to capture energy! What kind of soil and lighting are you using?
Sativa and indica look pretty much the same as seedlings, here's my 80% sativa Acapulco Gold:
I topped very early just above the 3rd node.
Your first grow? Have you read up? There are best methods for every steps. PH is very important, proper "overwatering" is very important, nutrients and not too much are very important.
Hey Luke, your plant looks quite healthy to me! Since this is your first grow, I would recommend letting it grow for awhile longer before playing with it. It will tend to grow like a christmas tree if no training is done - the plant will grow tall and the lower branches/growth will grow outward as the plant gets older. Many indoor growers choose to train their plants to keep it more bushy, which just allows the light to be closer to more budsites. You have awhile before you have to make that decision though.
As Six said, close node spacing is a good thing, for when it comes to flowering. Each of those new growth sites are potential budsites, so the closer they are together, the more compact your buds can be.
Also, you may think about starting some light feeding soon. I don't think your soil has any food in it (hopefully not), and your plant looks large enough to take a little bit of food.
On the lighting, you should be fine with 2 bulbs for now. As she gets older/bigger, she'll want more light. The rule of thumb is about 50W / sqft, but I would probably do a bit more with CFLs. Plus the lighting isn't as important in veg as it is in flowering.
Keep up the good work!
No problem! Since your soil does have nutrients in it already, you may want to wait another few weeks (2-3( before you start feeding. Overfeeding can be a problem, so as they say, "less is more". You may even consider waiting until the lower leaves start yellowing a bit, telling you that the plant isn't getting enough nutrients.
Sorry Luke if my words were not as encouraging. Plants do look great so far. The beauty of this is you can research each stage as you're working with the current stage. On nutes, I went with Fox Farm Trio and the granule solubles, but think I'd have done an easier two-part solution like Dyna Gro's Grow / Bloom or similar. For proper cannabis nutes, it's hard to beat the price of Grow/Bloom though. A quart of each goes a LONG way.
Good luck man post those questions there's some good people here
Good point on the nutes Six, I would agree. I use General Hydroponics 3-part nutes, but if I was to do it again, I would have bought the 2-part Dyna-Gro for simplicity as a beginner. They will also last a lot longer than you'd think. My first bottles lasted about 8 months, growing several rounds of plants.
Dyna-Gro is easier, cheaper and has been shown to work as effectively. Up to you though!