Super Silver Haze is one of the OG Amsterdam bangers that took the world by storm in the 90s.
Known for her potent THC levels and euphoric, creative high, this strain is a must-have for all self-respecting growers.
She's a super stable strain, but not without a few challenges...
Fear not - we've got you covered with this week-by-week grow diary from Canadian grower Spyder.
Spyder's Grow Setup
Here's some key information about Spyder's grow setup, including the number of plants he grew, the size of the grow tent, and more.
| Strain | Super Silver Haze by WeedSeedsExpress |
| Number of Plants Grown | 3 |
| Grow Tent | 3x4ft |
| Grow Light Used | ViparSpectra P2500, 250 watt |
| Light cycle | 18/6 during veg, 12/12 flower |
| Ventilation | 4-inch circulation fan, Inkbird ITC 380 controller with Infinity 6-inch exhaust fan + small ceramic heater |
| Grow Room Temperature | 25C daytime, 22C during night |
| Medium | Miracle grow moisture control |
| Nutrients used | Strive, Part A, 1.25ml per liter, Part B .63ml per liter |
| Seed to harvest time | 18 weeks |
| Veg time | 8 weeks |
| Flowering time | 10 weeks |
| Plant training used | LST & defoliation |
| Germination method | A glass of distilled water for 24hrs then onto a paper towel until 1/2 inch to 1 inch tail |
Final Results
| Yield: | 781g wet and 167.6g dry (dried to 30-40% moisture) |
| Growing Review | Easy-growing, hardy plants that will take abuse and still produce great weed |
| Smoke Report | It's a smooth smoke and can be very heavy stoned but won't weigh you down. Long, long-lasting high with a lemony smell and spicey, sweet, and earthy flavour. |
WEEK 1-2: Germination & Seedling Stage
First up, Spyder dropped his three Super Silver Haze seeds into a glass of distilled water and left them in a dark, warm cupboard with a towel over the top to keep the moisture in.
After about 12 hours, he moved them into a moist paper towel inside a Tupperware container and waited for the taproots to appear.
24 hours later, all three seeds had popped, and the tap roots were almost 1 cm long, so they went into solo cups filled with the soil mix!
They stayed in the solo cups for the next 7 days, developing a robust root ball without becoming pot-bound.
On day 8, he was happy with the root development, so he repotted the plants in their final 3.5-gallon pots and let them do their thing for the next week.
During the first two weeks, no extra fertilizers were needed; just plain, pH-regulated water was used once every two days.
WEEK 2-3: Early Vegetative Stage
During this stage, Spyder used LST (low-stress training) to manipulate the plants' growth.
With Super Silver Haze's tendency to stretch a lot during the vegetative stage, LST helped to control her height and create a more even canopy.
He also placed a ScrOG net over the three plants, but interestingly, he decided not to top any of them.
Again, he simply let the soil feed the plants, but watering was increased to once a day.
WEEK 3-5: Mid Vegetative Stage
At this point, Spyder's Super Silver Haze plants were thriving with healthy foliage and strong stems.
He started to do some defoliation to help increase airflow and light penetration.
The plants were starting to fill out the ScrOG net, and he continued to LST as needed.
As for feeding, he started using Strive Nutrients at half strength and only twice a week, with the rest just plain, pH-regulated water.
WEEK 6-7: Late Vegetative Stage
At this stage, Spyder's Super Silver Haze plants had almost filled out the entire ScrOG net.
He continued to defoliate and LST as needed and kept up with the very light fertilizing schedule.
At the end of week 7, he was happy with the net's fullness, so he decided the time was right. He turned the lights off for 24 hours, and then he initiated flowering by switching them to a 12/12 schedule.
WEEK 8-10: Early Flowering Stage
This is where things get exciting. Spyder's Super Silver Haze plants began to stretch, and the buds started to develop nicely.
He continued with defoliation and LST as needed, making sure the plants were getting enough light and airflow.
At this point, he increased feeding to three times a week with Strive Nutrients at 3/4 strength (part A at 1.25 ml per liter and part B at 0.63 ml per liter).
The plants responded by exploding in size over the next two weeks. Finally, the stretch started to slow down, and many bud sites became visible.
WEEK 10-14: Mid Flowering Stage
With the plants in full bloom, Spyder continued to carefully defoliate and monitor growth daily.
During this time, and unlike most growers, he decided to keep the fert regime the same as the previous few weeks, and boy, did it work for him.
Over the next months, the budding sites swelled to the size of large grapes, and trichomes were popping up everywhere, starting to cover the flowers.
By week 14 (six weeks into the flowering stage), his Super Silver Haze plants were really starting to pack on the size.
But, as we all know, six weeks is only just over halfway through the flowering cycle. The trichomes were all still crystal clear, so he knew he had a few more weeks to wait.
WEEK 15-18: Late Flowering Stage
As the final weeks approached, Spyder was pumped with how his Super Silver Haze plants were looking.
The buds were huge, and resin production was off the charts. He continued with his light defoliation and LST but stopped all feeding except for pH-balanced water for the last three weeks to ensure a smooth smoke.
That's a longer-than-normal flush, but as you can see from the pictures, it seems to have worked wonders. He says the taste is off the charts.
Harvesting & Drying
Spyder cut down his plants, trimmed them up immediately, and laid the buds on a screen to dry in a dark room with temperatures sitting at around 70°F and relative humidity (RH) of roughly 50%.
After 8 days in the dark, the branches snapped instead of bending, so he transferred the buds into glass jars to cure for at least two weeks before sampling.
During the first week of curing, he popped the jars for about an hour per day, then for 30 minutes every other day for the next month.
After that, the buds were exactly where he wanted them, so the jars stayed sealed—except for when he dipped in!
Final Yield & Smoke Report
So, now we get to what we all want to know - how much did Spyder pull off those three Super Silver Haze plants?
Well, after everything was said and done, Spyder ended up with a respectable 167.6 grams when all dried up. It's not record-breaking by any means, but it still has a solid yield for three plants from a 250-watt light in a tent.
As for the smoke report, Spyder describes it as:
"A really good social smoke. It's smooth and heavyish for the first 30 minutes, but that slowly fades into a creative and super euphoric buzz that lasts for hours. It's been a hit with my friends, and I'm proud of how it turned out. Tastes-wise, it’s all about that lemon baby! There's subtle hints of earthy, musky goodness, all the good stuff.”
