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Hemp as a houseplant

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Hemp is often associated with its use as an industrial or commercial crop, but did you know it also makes a great houseplant? With its distinctive appearance and hardy nature, hemp is an excellent choice for anyone looking to add a touch of green to their home. In this article, you'll find out whether it's legal to keep hemp as a houseplant, how to care for it properly, where you can buy it legally, and what you can do about its characteristic smell.

Is it legal?

Hemp as a houseplant:

Starting from April 1, 2024, you can legally grow up to three cannabis plants indoors in Germany, as long as they are intended solely for personal use. The plants must be kept in a secured area so that children and adolescents cannot access them. Make sure that growing in your room does not cause any disturbance to your neighbors, such as strong odors or excessive light. It is also important to use certified seeds to meet legal requirements.

This means growing hemp as a houseplant will soon be legal if you follow these rules.

Hemp Sprout

Step-by-step guide: Caring for hemp as a houseplant

If you want to keep hemp as a houseplant, proper care is essential. Here is a simple step-by-step guide:

  1. Choose the right location
    Place your hemp plant somewhere with plenty of light, ideally by a window. Hemp loves direct sunlight—the more light it gets, the better it will grow.

  2. Select an appropriate pot
    Choose a pot with good drainage so excess water can escape. This prevents waterlogging, which could damage the roots.

  3. Use the right soil
    Use well-aerated soil that stays slightly moist. A mix of potting soil with a bit of sand or perlite is ideal to help regulate moisture.

  4. Watering
    Water regularly, but make sure the soil does not become too wet. Hemp prefers the soil to be slightly moist but not soaked. Allow the top layer of soil to dry out a bit between waterings.

  5. Fertilizing
    Fertilize your plant about every 2–4 weeks with a universal plant fertilizer or a special fertilizer for hemp plants. This supports healthy growth and strong leaves.

  6. Air circulation
    Make sure the plant has good air circulation. This prevents mold and helps keep the plant healthy.

  7. Pruning (optional)
    If your plant is growing vigorously, you can prune it regularly to control its growth and encourage branching.

  8. Monitor temperature and humidity
    Hemp thrives best at a temperature of 20–30°C and moderate humidity. Avoid extreme cold or dryness.

If you follow these steps, your hemp houseplant will grow healthy and strong.

Small cannabis plant in a pot

Legally buying hemp as a houseplant: What you should pay attention to

If you want to legally buy hemp as a houseplant, there are a few important things to keep in mind. First, it must be certified industrial hemp with a THC content of less than 0.2%. This hemp is free from psychoactive substances and is therefore approved for private cultivation in Germany. When purchasing, make sure that the provider clearly states the THC content and that the plant or seeds are certified.

You can find reputable sellers in garden centers or online shops that specialize in industrial hemp. It is important to pay attention to transparency regarding the origin of the plants to ensure you are acting within the legal framework. Be sure to keep your purchase receipts in case there are any legal inquiries.

It is also advisable to check local regulations, as specific rules may vary depending on the federal state or municipality. This way, you can ensure that you start your hemp cultivation completely legally.

Hemp as a houseplant: What to do about the smell?

Hemp as a houseplant has the typical, intense scent that can be especially noticeable indoors. To reduce the smell, there are several helpful measures you can take:

  1. Good ventilation: Regular air exchange is essential to minimize the hemp scent. Open the windows frequently or use ventilation systems to promote air circulation.

  2. Odor filters: Activated carbon filters are a very effective way to neutralize the hemp scent. These filters can be easily integrated into ventilation systems or exhaust units and absorb odor particles before they spread throughout the room.

  3. Odor neutralizers: There are special sprays or devices that neutralize odors. These are available at specialty stores and can be used specifically in rooms with strong odors.

  4. Plant spacing: Make sure the plants are not too close together. Greater distance between the plants can help reduce odor intensity, as air circulates more effectively.

  5. Additional plants for odor control: Some houseplants, such as lavender or jasmine, can help mask the hemp scent by releasing a pleasant fragrance of their own.

With these measures, you can effectively reduce odors in your home and keep growing hemp as a houseplant discreet.