The Upgrade Machine in Grow a Garden lets you unlock the Primal Egg and other dino perks.
To power it, you must feed it prehistoric plants.
Each plant adds weight, and hitting set totals opens new rewards.
Knowing which plants count saves time and seeds.
This guide lists all known prehistoric crops in Grow a Garden, and their typical weights so you can plan your farming path and get those dino pets faster.
List of Prehistoric Plants in Grow a Garden
Stonebite
Paradise Petal
Horned Dinoshroom
Firefly Fern
Boneboo
Fossilight Fruit
Lingonberry
Grand Volcania
Bone Blossom
Amber Spine
Horsetail
How to Collect Prehistoric Weight
Harvest any plant marked prehistoric and drop it into the Upgrade Machine.
The machine shows total weight and the next reward step.
Keep farming until you reach each goal.
Conclusion
Feed the Upgrade Machine until you hit forty kilograms to unlock the Primal Egg, then keep going for faster hatch times and craft options.
Farming these prehistoric plants is the first step to powerful dinosaur pets.
Additional Reading
The List Of Grow A Garden Crop Mutations
The List Of Grow A Garden Pet Mutations
Lingonberry Crop Guide in Grow a Garden
Brianna is based in Minnesota in the US at the moment, and has been writing since 2017. She is currently a 3rd Year med student at the time of writing this.
