I think it’s a matter of preference. Just as a quick summary: It’s easy to give too much or too little water to a very small seedling in a big pot. With a solo cup, you just soak the grow medium and the roots get a lot of both oxygen and water at all times because the medium dries out quickly. The downside is you have to transplant a seedling as soon as the leaves reach the edges of the cup, or its growth starts slowing down. Also, if you’re not careful you could possibly shock the plant during transplant.
- Transplant your cannabis plants after their roots have begun to fill container (to help hold all the growing medium together) but before the roots have started wrapping around the edges (plants have become rootbound).
- Water your cannabis plants 1-2 days before transplanting. This will help the growing medium stay together (since it’s moist), but still slide out easily (since it’s not soaking wet).
- It’s better to transfer too early than too late!
- If the roots haven’t grown all around the sides of the root ball (plant isn’t rootbound), avoid disturbing the roots if possible. There’s no need to shake out dirt, just carefully move entire root ball directly into the next pot.
- Make sure your plants are in their final container at least 1-2 weeks before you switch them over to the flowering stage, and avoid transplanting plants during the flowering/budding stage if you can since the stress may affect your final yields.
- If your cannabis plants seem like they are suffering from transplant shock (leaf symptoms, drooping, slowed growth), it can be helpful to use a seaweed kelp extract (often available as a liquid fertilizer) to help your cannabis recover more quickly. If transplanting seems scary, it’s okay to plant your seed or clone in its final destination right at the beginning, just be wary of overwatering until the plant has a few sets of leaves and is growing vigorously. You can increase the amount of oxygen available to your plants by adding extra perlite to loosen the soil and allow water to drain through more easily. after they’ve been transplanted for the best results!
2-3 gallon container
4-6 gallon container
Here’s a quick cheat sheet for the paper towel germination method!
Should I start in a solo cup or in a bigger pot?
Instead of pulling the whole plant out of the container, sometimes you can just cut away the solo cup when you plan on transplanting. This is one of the advantages of starting in disposable cups – it makes transplanting easy and stress-free. You can also gently run a butter knife around the outside to help loosen the soil, turn it upside down and pat out the seedling, soil and all!
Now you just need to worry about taking care of your plants until you’re ready to start flowering/budding. Remember plants will usually double (or even triple) in size from when you first initiate the flowering stage!
If you start seedlings in a solo cup, you should try to transplant to a bigger pot around the time the leaves reach the edges of the cup. This seedling is ready for transfer!
Growing weed in a cup is not impossible. However, this is not the best thing to do if you are looking for an abundant yield. It does have some advantages to growing weed in a cup, but the negatives outweigh the positives.
When your cannabis plants start to grow leaves, let them be. In the third week of their vegetative growth, you force them to start flowering. In doing so, you have to switch the light and dark cycle from 18 to 6, down to 12-12; this will now alert them to start flowering.
If you use a ruderalis strain, you wouldn’t have to switch up the cycle because they will start to flower in the 3rd week of their vegetative stage. You’ll just have to wait for your cannabis plants to grow bountiful buds that should be ready for your consumption.
When you switch onto the 12/12 cycle, your cannabis plants will stay small and compact. Now, their attention is to spend energy producing flowers and buds with only a few stems they have, instead of trying to grow tall and produce more colas or nodes.
Disadvantages of Growing Weed in a Cup
If you are wondering whether growing cannabis plants can be done in a cup, you are not alone. Almost all people with limited space and resources try different methods and schemes just to cultivate this wonderful plant. If you want to know whether growing in a cup is possible, you’ll have to read further down below.
Not a fan of growing weed in a cup? Discover other ways of cultivating your cannabis only from the best marijuana grow book!
Before you set yourself up for the start of your growing cannabis plants in a cup journey, there are basic things you must do to achieve your desired results. Below is the general guide on how to grow weed in a cup.
Step 2: Plant Them Onto Your Cups
When your seeds have sprouted, it is the best time to put them onto your desired cups. When planting cannabis seeds onto these cups, be sure that they are wide enough until they are fully-grown. Be sure to poke holes in every part of the cup. So water can be easily drained out of the cup. To achieve a favorable outcome, mix your soil with a potting mix. In this way, your cannabis seeds get a lot of nutrients, which will help them grow faster and stronger.
Growing marijuana is quite an easy and uncomplicated thing to do. As long as you have all the adequate space and conditions, you’ll grow them to become wonderful plants. However, that’s not the case for people with limited spaces; that’s why they are seeking options such as growing weed in a cup.