SKU: 90513534471
tree seeds for bonsai

tree seeds for bonsai Pinus Thunbergii 'Japanese Black Pine' Seeds

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Description

tree seeds for bonsai Pinus Thunbergii 'Japanese Black Pine' SeedsGrow the quintessential coniferous bonsai tree with these Pinus Thunbergii seeds! The Japanese Black Pine is one of the easier bonsai seed varieties to grow, perfect for gardeners of all levels. Instructions: We recommend using the following to sow the seeds: 12 Cavity Greenhouse or Planter with Humidity Dome Soil Pellets or Soil Pods Liquid Fertilizer Pre soaking and stratification is option, but helps with germination. Pre soak by placing the seeds

Grow the quintessential coniferous bonsai tree with these Pinus Thunbergii seeds! The Japanese Black Pine is one of the easier bonsai seed varieties to grow, perfect for gardeners of all levels.

Instructions:

We recommend using the following to sow the seeds: 

Pre-soaking and stratification is option, but helps with germination. Pre-soak by placing the seeds in room temperature-warm water for 24 hours. Stratify by placing in soil or sphagnum moss in a baggie or tupperware container and placing the container in a fridge for ~1-2 weeks. From there, sow the seeds in a greenhouse and keep warm and brightly lit. Acclimate seedlings to full sun gradually, or keep under grow lights.

(Find more info on germinating seeds by going to our seed guide)

These seeds are for the 2026 growing season.

About the seeds:

difficulty

beginner | intermediate | advanced

germination time

1 month

depth

1/8"-1/4”

spacing

1-3 seeds per nursery pot or greenhouse tray cell

recommended planter

2"-4" nursery pot or greenhouse to start (no terra cotta)

time to maturity

several years

seed prep

pre-soak | scarification | stratification | none

method

greenhouse | paper towel method

temperature

70F - 85F


About the Plants:

description

tall pine tree, dark gray trunk with long needles

difficulty

beginner | intermediate | advanced

growth speed

slow | medium | fast

size of plant

outdoors 125ft tall. As a bonsai, much smaller. 

light

full sun | partial sun | shade | grow lights 

soil 

well-draining coconut coir/peat-based or bonsai potting mix

temperature 

warm | cool

pet-friendly

cats | dogs | no

pests

few pests

fertilization

heavy | moderate | light

 

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SKU: 90513534471

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Aimee C.
Alexandria, US
★★★★★ 4
Perfect size and weight with compact size
Style: Rack with 3 Pairs (3, 5, and 8 Pound)
I purchased the Amazon Basics Neoprene Dumbbell Hand Weights specifically for Pilates, and they’ve been a great addition to my routine. The size and weight are perfect for controlled movements, helping with muscle toning without feeling too bulky or awkward. The neoprene coating gives them a comfortable, non-slip grip, which is especially important during longer sessions or when your hands get a little sweaty. They feel secure and easy to hold through a full workout. I also like the shape—they don’t roll around on the floor, which makes transitions between exercises smoother and less frustrating. They’re compact enough to store easily but still feel durable and well-made. Overall, these are a simple, affordable, and effective option for Pilates or light strength training. I’d definitely recommend them for anyone looking to add a little resistance to their workouts without overcomplicating things.
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Reviewed in the United States on April 20, 2026
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J. saroukhan
Omaha, US
★★★★★ 5
Well made , gym quality
Style: 10 Pound, Pair
Color is nice and bright . The weights grips are good they do not slip . Prices reflect quality
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Reviewed in the United States on May 29, 2026
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Kim Wood
Battle Creek, US
★★★★★ 5
Good purchase
Style: 3 Pound, Pair
These are just the right weight for me to start gaining muscle back in my arms, after a large weight loss. They are of good quality, they are covered in a nice rubber like coating that is soft to the touch. They are small enough that i can take them with me when I travel. My dog has got hold of them a couple times and played with them, and they held up just fine without any damage.
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Reviewed in the United States on April 28, 2026
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Ky Mogg
Los Angeles, US
★★★★★ 5
Solid, grippy, and they don’t roll away!
Style: 10 Pound, Pair
I bought these because I’m finally trying to build a consistent home workout routine and didn't want to drop a fortune on name-brand weights. I’ve been using this 10lb pair for about a month now for everything from overhead presses to lunges, and honestly, they’re exactly what I was looking for. The Pros: • That Neoprene Grip: The coating is fantastic. Even when my hands get pretty sweaty halfway through a workout, I don’t feel like I’m going to drop them. It’s a much "softer" feel than cold metal or hard plastic. • The Hex Shape: This is a small detail that makes a huge difference. Since the ends are hexagonal, they don't roll across the floor when I set them down between sets. They also stay put if I’m using them for "renegade rows" or floor work. • Compact Size: They aren’t bulky. I can easily shove them under my bed or in the corner of the closet when I’m done. • No Weird Odor: I was worried they might smell like a tire factory (which happens with some rubber-coated weights), but these had almost no scent right out of the box. The Cons: • Handle Diameter: The handles are a little on the thicker side. I have medium-sized hands and it’s fine, but if you have very small hands, they might feel a bit chunky to wrap your fingers all the way around. • Color Scuffs: The navy blue looks great, but if you clank them together or drop them on concrete, the coating can scuff or show dust pretty easily. The Verdict: If you just need a reliable set of weights for HIIT, Pilates, or general strength training, these are a no-brainer. You're basically getting gym-quality equipment for a fraction of the price. I’ll probably be back for the 15lb set in a few months!
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Reviewed in the United States on January 27, 2026
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Matt
Fort Morgan, US
★★★★★ 5
Simple, Comfortable, and Exactly What You Expect
Style: Rack with 3 Pairs (5, 10, and 15 Pound)
These are pretty much exactly what you want from a set of dumbbells — simple, functional, and no nonsense. The neoprene coating gives them a comfortable grip and keeps them from feeling slick in your hands, especially during longer workouts or if your hands get sweaty. The coating also helps keep them from banging up floors or making as much noise compared to bare metal weights, which is nice if you’re working out at home. Weight accuracy seems fine for general fitness use, and they’ve worked great for things like accessory movements, shoulder work, lighter presses, rehab-style exercises, and general muscle toning. The shape also helps keep them from rolling around everywhere when set down. They’re not fancy, and they’re not trying to be — they’re just dependable dumbbells that do what they’re supposed to do at a fair price. If you want straightforward hand weights for home workouts without overthinking it, these are a solid buy.
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Reviewed in the United States on May 26, 2026

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