Wisconsin’s short summers and cold winters require marijuana strains with fast flowering times and cold resistance. If you are looking for the best marijuana strains to grow in wisconsin, you need plants that can handle unpredictable weather and finish before the first frost hits.
Growing cannabis in Wisconsin is not easy, but it is possible. You just have to pick the right genetics. This guide covers strains that thrive in the state’s climate, whether you grow indoors or outdoors.
Best Marijuana Strains To Grow In Wisconsin
These strains are chosen for their quick flowering cycles, mold resistance, and ability to handle cooler temperatures. They work well for both beginners and experienced growers.
Blue Dream
Blue Dream is a classic sativa-dominant hybrid that finishes in about 8 to 9 weeks. It handles temperature drops well and resists powdery mildew. Outdoor plants can yield up to 20 ounces per plant in good conditions.
- Flowering time: 8-9 weeks
- Height: Medium to tall
- Yield: High
- THC: 18-24%
Northern Lights
Northern Lights is an indica that thrives in cooler climates. It flowers in 7 to 8 weeks and stays short, making it great for discreet outdoor grows. It is also very mold resistant.
- Flowering time: 7-8 weeks
- Height: Short to medium
- Yield: Medium to high
- THC: 16-21%
White Widow
White Widow is a balanced hybrid that finishes in 8 to 9 weeks. It is known for its resilience to cold and pests. Outdoor plants in Wisconsin can produce dense buds if you protect them from heavy rain.
- Flowering time: 8-9 weeks
- Height: Medium
- Yield: Medium
- THC: 18-25%
Early Girl
Early Girl was bred specifically for short summers. It flowers in just 6 to 7 weeks. This strain is perfect for Wisconsin because it finishes before the weather turns bad.
- Flowering time: 6-7 weeks
- Height: Short to medium
- Yield: Medium
- THC: 15-20%
Critical Mass
Critical Mass is an indica-dominant strain that flowers in 7 to 8 weeks. It produces heavy yields and resists bud rot, which is common in humid Wisconsin summers.
- Flowering time: 7-8 weeks
- Height: Short to medium
- Yield: High
- THC: 18-22%
Autoflowering Strains
Autoflowers are a great choice for Wisconsin. They flower automatically based on age, not light cycles. This means you can plant them later in the season and still harvest before frost.
- Lowryder: Flowers in 8-9 weeks from seed. Very short and discreet.
- Northern Lights Auto: Finishes in 9-10 weeks. Good for cool nights.
- Blueberry Auto: Flowers in 8-9 weeks. Sweet aroma and mold resistant.
Outdoor Growing Tips For Wisconsin
Growing outdoors in Wisconsin requires planning. The growing season is short, usually from May to October. You need to start seeds indoors or use clones to get a head start.
Choose The Right Location
Pick a spot that gets at least 6 to 8 hours of direct sunlight. South-facing slopes warm up faster in spring. Avoid low areas where cold air settles.
Use Containers Or Raised Beds
Containers let you move plants if a cold snap hits. Raised beds drain better and warm up quicker than ground soil. Both options help you control the root environment.
Protect From Frost
Wisconsin can get frost as early as September. Have row covers or old sheets ready to cover plants overnight. Remove covers in the morning to let sunlight in.
Watch For Mold And Mildew
Humidity can be high in late summer. Space plants out for airflow. Remove lower leaves that touch the soil. Use organic fungicides if needed.
Indoor Growing Tips For Wisconsin
Indoor growing gives you full control over the environment. You can grow year-round, regardless of the weather outside.
Control Temperature
Keep daytime temps between 70-80°F. Night temps can drop to 60-65°F. Use a heater if your grow room gets cold in winter.
Manage Humidity
Wisconsin winters are dry. Use a humidifier during veg stage to keep humidity at 60-70%. During flower, keep it at 40-50% to prevent mold.
Use Quality Lighting
LED lights are efficient and produce less heat. This helps maintain stable temps in small spaces. Aim for 30-50 watts per square foot.
Ventilation Is Key
Stale air leads to mold and pests. Use an exhaust fan with a carbon filter to control smell and bring in fresh air. Oscillating fans help strengthen stems.
Step-By-Step Guide To Growing In Wisconsin
- Choose your strain from the list above. Fast flowering is critical.
- Start seeds indoors in late March or early April. Use a heat mat and grow light.
- Transplant seedlings into larger pots after 3-4 weeks.
- Harden off plants by putting them outside for a few hours each day in May.
- Plant outdoors after the last frost date, usually mid-May.
- Water deeply but less often. Let the soil dry out between waterings.
- Fertilize with a balanced nutrient mix every 2 weeks during veg.
- Switch to bloom nutrients when flowers start forming in late July.
- Monitor for pests like aphids and spider mites. Use neem oil if needed.
- Harvest when trichomes are milky white. Usually late September to early October.
Common Problems And Solutions
Cold Temperatures
Solution: Use black plastic mulch to warm the soil. Cover plants at night. Choose cold-resistant strains like Northern Lights.
Short Growing Season
Solution: Use autoflowering strains or start seeds indoors. Plant clones instead of seeds to save time.
High Humidity
Solution: Prune lower branches. Use fans indoors. Apply silica supplements to strengthen cell walls against mold.
Pests
Solution: Introduce beneficial insects like ladybugs. Use insecticidal soap. Keep the grow area clean.
Best Soil And Nutrients For Wisconsin
Wisconsin soil can be heavy clay or sandy. Both need ammendment. Use a light, well-draining potting mix with perlite or coco coir.
Organic Options
- Compost: Adds nutrients and improves soil structure.
- Worm castings: Gentle, slow-release fertilizer.
- Bone meal: High in phosphorus for flower development.
Synthetic Options
- General Hydroponics Flora Series: Easy to use and balanced.
- Fox Farm Trio: Popular for soil grows.
- Slow-release pellets: Less frequent feeding needed.
Harvesting And Curing In Wisconsin
Harvest time is critical. Check trichomes with a magnifying glass. Clear means not ready. Milky white means peak THC. Amber means more relaxing effect.
Drying
Hang whole plants upside down in a dark room with 60% humidity and 65°F. This takes 7-10 days. Branches should snap, not bend.
Curing
Place dried buds in glass jars. Open jars daily for 10 minutes for the first week. Then open every other day for two weeks. Cure for at least 3 weeks for best flavor.
Legal Considerations In Wisconsin
As of 2024, recreational marijuana is not legal in Wisconsin. Medical use is limited to severe conditions with a doctor’s recommendation. Growing at home is illegal without a license. Always check current laws before planting.
Some people grow for personal use despite the laws. If you choose to do so, keep plants hidden and secure. Do not share information about your grow with others.
Frequently Asked Questions
What is the fastest flowering strain for Wisconsin?
Early Girl flowers in 6-7 weeks. Autoflowering strains like Lowryder also finish quickly, often in 8-9 weeks from seed.
Can I grow marijuana outdoors in Wisconsin?
Yes, but you need strains that flower fast and resist mold. Northern Lights and Blue Dream are good choices. Start seeds indoors to extend the season.
Do autoflowers work well in Wisconsin?
Yes. Autoflowers are ideal because they flower based on age, not light. You can plant them in June and harvest before frost in September.
What is the best strain for beginners in Wisconsin?
Northern Lights is forgiving and easy to grow. It handles cold and resists mold. White Widow is also a good option for new growers.
How do I protect my plants from Wisconsin winters?
Grow indoors during winter. If growing outdoors, harvest before October. Use greenhouses or cold frames to extend the season slightly.
Final Thoughts On Growing In Wisconsin
Growing cannabis in Wisconsin takes effort, but it is rewarding. Focus on fast-flowering, cold-resistant strains. Plan your grow schedule carefully. Whether you grow inside or outside, the right genetics make all the difference.
Remember to check local laws. Stay safe and respect your neighbors. With the right setup, you can enjoy homegrown cannabis even in a challenging climate like Wisconsin’s.
Start with a small grow to learn the ropes. Experiment with different strains to see what works best in your specific location. Each microclimate in Wisconsin is a little different, so pay attention to your plants and adjust as needed.
Happy growing, and may your harvest be bountiful despite the cold.