๐ธ White Widow โ Week 4 of Flower (12/12โ11/13 From Seed)
Stage: Week 4 Flower (full flower, no stretch left)
Structure: Compact plant, building a tall main cola (~25 cm target) + tidy โgolf-ballโ side colas
Frost: Already impressive; trichomes thickening across tops and sugar leaves
Watering: Hand watering (by feel; no runoff chasing)
Light routine: Still running the red-on/red-off sunrise/sunset via TrolMaster (15 min before/after)
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Quick Recap (for anyone just joining)
โข Germination: We lost the first batch (uneven heat mat, my mistake). We restarted and this solo survivor is the one you see now.
โข Veg under 11/13: She stayed compact and stubbornly vegged a while before showing preflower, great node stacking.
โข Early flower: Bud set โ second flower push โ now deep into Week 4 with clear, even sites top to bottom.
โข Environment: Room was hot early on; AC install stabilized temps and RH. Plants never showed stress, credit to genetics, steady care, and balanced feed.
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๐ฝ๏ธ Nutrition (this week)
Weโve removed Top Booster completely. Current, steady recipe:
โข Aptus Regulator โ supports cell strength, transport efficiency, and stress tolerance
โข Aptus CalMag Boost โ LED + coco/active soil insurance for Ca/Mg/Fe availability
โข Plagron Power Buds โ encourages compact flower set at each node
โข Plagron Sugar Royal โ metabolic push (N-based aminos) to drive energy use + aroma precursors
โข Plagron Green Sensation โ balanced late-flower support (PK + organics/biostims) for density, oil, and finish
โข Aptus All-in-One Liquid โ (still in) gentle full-spectrum base; likely to taper/stop soon as the soil biology carries more of the load
Why this mix now?
Week 4 is the โearly swellโ window: calyx initiation shifts into mass formation. Weโre keeping Ca/Mg steady for membrane integrity and photosynthesis under strong LED; using Power Buds to keep sites tight, Sugar Royal to feed metabolism and terpenes, Green Sensation to support density/oils, and Regulator to keep the plant efficient under heat/PPFD. All-in-One remains as a safety net while the super soilโs biology fully ramps, then it can step back.
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๐ฌ Plant Development (whatโs happening physiologically)
โข Stretch is done. Auxin dominance recedes; energy diverts to calyx swelling and trichome biosynthesis.
โข Trichomes rising. Expect a marked increase in capitate-stalked heads on bracts and sugar leaves from now through Week 6โ7.
โข Carb sink strength. Flowers become the primary sink; steady water + balanced EC will keep turgor and bulking clean.
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๐ก Light & Rhythm
โข Sunrise/sunset with reds (TrolMaster): 15 min before and after the white/blue block to smooth transitions and lean into the red/far-red synergy.
โข Target PPFD/DLI: With shorter photoperiods (11โ12 h), aim ~700โ800 ยตmolยทmโปยฒยทsโปยน to land a DLI ~28โ32 molยทmโปยฒยทdayโปยนโa sweet spot for mid-flower without forcing heat stress.
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๐ก๏ธ Environment (steady and sensible)
โข Temps/RH: Now stable since AC: ~28 ยฐC and mid-60s %RH previously reportedโgreat for mid-flower resin and growth when airflow is strong.
โข VPD: Around 1.3โ1.4 kPa is ideal for Week 4 bulkโkeeps stomata active, minimizes mold risk, and preserves turgor.
โข COโ: Natural room swings are fine at this stage; plant responses are telling us sheโs happy.
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๐ What to Expect Next (Week 5โ6)
โข Calyx stacking & mass gain on the main cola and those side โgolf balls.โ
โข Frost explosion: More trichomes and a greasy feel on sugar leaves.
โข Aroma lift: Expect that classic White Widow earthy-spice to start pushing out.
What not to expect
โข Heightโsheโs done stretching.
โข True ripening signals (amber heads, heavy fade) โ too early.
โข Big defoliation needs, sheโs compact; keep leaves that drive sugars unless a leaf blocks airflow or a bud site entirely.
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Growerโs Tips (why the choices matter)
โข No Top Booster now: Keeps K spikes in check; prevents Ca/K antagonism and tip burn while the plant is setting long-term resin factories.
โข Keep Ca/Mg consistent: Under strong LEDs, Ca deficits appear suddenly in fast-bulking weeks. Stay ahead, not behind.
โข Watering style: Hand watering gives you feel-level control over moisture fronts and prevents swingsโperfect for a compact, single-plant showcase.
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๐ Gratitude & Shoutouts
๐ฑ Zamnesia Seeds โ for the living legend, White Widow
๐ง Aptus Holland โ clean, precise fundamentals (Regulator, CalMag, All-in-One)
๐ธ Plagron โ Power Buds, Sugar Royal, Green Sensation driving flower expression
๐ก ThinkGrow & Future of Grow (Black Series 600W) โ power + uniformity for dense stacking
๐ง TrolMaster โ the ecosystem that lets us choreograph sunrise/sunset and keep the room steady
โฆand you, reading and riding along. Thank you for being here and sharing the love for the craft.
๐ฒ Donโt forget to Subscribe and follow me on Instagram and YouTube @DogDoctorOfficial for exclusive content, real-time updates, and behind-the-scenes magic. Weโve got so much more coming, including transplanting and all the amazing techniques that go along with it. You wonโt want to miss it.
โข GrowDiaries Journal: https://growdiaries.com/grower/dogdoctorofficial
โข Instagram: https://www.instagram.com/dogdoctorofficial/
โข YouTube: https://www.youtube.com/@dogdoctorofficial
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Explore the Gear that Powers My Grow
If youโre curious about the tech Iโm using, check out these links:
โข Genetics, gear, nutrients, and more โ Zamnesia: https://www.zamnesia.com/
โข Environmental control & automation โ TrolMaster: https://www.trolmaster.eu/
โข Advanced LED lighting โ Future of Grow: https://www.futureofgrow.com/
โข Root and growth nutrition โ Aptus Holland: https://aptus-holland.com/
โข Nutrient systems & boosters โ Plagron: https://plagron.com/en/
โข Soil & substrate excellence โ PRO-MIX BX: https://www.pthorticulture.com/en-us/products/pro-mix-bx-mycorrhizae
โข Curing and storage โ Grove Bags: https://grovebags.com/
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Weโve got much more coming as we move through the grow cycles. Trust me, you wonโt want to miss the next steps, letโs push the boundaries of indoor horticulture together!
As always, this is shared for educational purposes, aiming to spread understanding and appreciation for this plant. Letโs celebrate it responsibly and continue to learn and grow together.
Friendly reminder all you see here is pure research and for educational purposes only,
With true love comes happiness. Always believe in yourself, and always do things expecting nothing and with an open heart. Be a giver, and the universe will give back in ways you could never imagine.
๐ Growers love to all