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Redwood, Giant Sequoia Tree Seeds (Sequoiadendron Giganteum)
The Giant Sequoia, also known as "Giant redwood", "Sierra redwood", "Wellingtonia" or simply "big tree". The sole living species in the genus "Sequoiadendron". In overall mass, the largest tree species in the world. If left to grow in the ground without any maintenance they will grow very large, But pruning them back while in pots make great ornamental pieces and make for great bonsai.
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Tree characteristics
- Evergreen / Deciduous/ Semi Deciduous: Evergreen
- Where to keep in the UK: Outside
- Preferred Soil PH Level: 5 - 6.5
- Drought Tolerance: Moderate drought Tolerance
- Hardiness Zones: 6 - 8 (Check Your Zone Below)
- Soil Conditions: Moist, Well-Drained Soil
- Mature Height: 164 – 279 ft
- Mature Width: 60 ft
- Placement: Full Sun
- Native to: North America
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How to prepare the seeds
- Please watch the video, "How to grow a tree from seed" on our website menu bar under "Trees from seed (Guide). Or read below.
- Soak in initially warm water over night.
- Sow in seed tray with a mixture of compost and perlite. Perlite allows for a more free draining soil mixture, preventing water-log and root rot. This will also allow you to free each sapling from the seed tray without damaging them when they're ready to move into their individual pots.
- Fill the seed tray close to the top with said soil mix, allowing 1/2 an inch of space to evenly scatter the seeds over. Then cover the seeds with the remaining 1/2 inch of space.
- Use a watering can ensuring all areas are damp throughout, but not overly wet.
- Cold stratify for at least 10 weeks. Place the seed tray in a plastic bag within the fridge. Ensure you air the bag once every 2 weeks. Keep the seed trays clear of weeds until the following year. More saplings will pop out in December after a natural warm stratification (Summer).
- After this period, take the tray out of the fridge. The warmth will cause the seeds to germinate within the next few weeks.
- Do not let the seed tray dry out at this vital stage. Move each sapling onto individual pots once they've been growing in the seed trays for a few weeks.
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Without this process you will not grow any saplings. This process can be done between December and May. If left any later, the trees may not survive their first winter due to such a short initial growing season. If you have a green house or poly tunnel to protect your saplings, you can do this process up until July.
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Remember that all trees that are not subtropical or tropical must be kept outside (Including glass houses and poly tunnels) during winter at all times and rely on the winter dormancy to survive onto their next growing season.
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Be aware of birds and rodents, they tend to eat the seeds and will bite the heads off saplings.
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Feel free to contact us if you have any questions. Facebook would be the fastest option. If in doubt, please watch our video, "How to grow trees from seed" on our website menu bar.
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Tree seeds delivery within the UK only
- All seeds are sent 2nd class within two working days of ordering.
- Delivery cost is a set fee of £1.50 no matter the quantity.
- Delivery cost is free for the seeds if you have bought live plants at the same time. We will send the seeds first class securely within the same box.
- Ensure you read up on our seed growing guide or our video guide. which explains how to germinate your seeds successfully.
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Hardiness Zones in the UK
