What to plant now, what to prep, and how to maximize this season Summer is the most critical time of the cannabis growing season in California. Your outdoor plants are in full vegetative growth, light dep greenhouses are cycling through harvests, and indoor gardens are producing year-round. Here's your action plan for summer 2026.
June: Full Veg Mode
Outdoor plants should be in their final containers or in-ground by now Top and train — this is your last chance for major training before pre-flower IPM is critical — scout for mites and thrips weekly as temperatures rise Light dep cycle 3 should be starting — use teens or talls to skip veg time Feed heavily — peak nitrogen demand during late veg
July-August: Pre-Flower Transition
Outdoor plants begin showing pre-flowers in late July as days shorten Switch nutrients to bloom formula — increase P and K Defoliate for airflow — prevents powdery mildew in dense canopies Support branches — stake or trellis before buds get heavy Light dep harvest — cycle 3 should be harvested in August
Best Strains to Plant Right Now
It's not too late to plant — especially with teens and talls that have a head start: For the complete seasonal timeline, see our California growing calendar. Ready to harvest? Read our guide on timing and technique.
Related Articles
Ready to Get Started?
Browse our genetics menu or call us to discuss your growing needs.