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Ya Hemi F2

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Must be 21 to Purchase this item


Grandpa Grower Legal Disclaimer:

Seeds are sold as souvenirs, collectors items, and for strain preservation. Germination of these seeds is illegal in some states. These seeds contain less than 0.3% Tetrahydrocannabinol (THC) and therefore are considered hemp. Grandpa Growers or Grandpa’s Genetics does not condone anyone breaking the law, so check your local laws before germinating these seeds.

By purchasing, you are indicating that you are at least 21 years of age, and are aware of your local laws. By purchasing, You waive any liability against Grandpa Grower or any of its subsidiaries. If you act outside your laws, we will not be held liable.

Ya Hemi

*Ya Hemi is a frosty strain that was created by Grandiflora Genetics, it is a cross of Project 4516 X Melonatta. She is highly sought after and super rare. *

Ya Hemi which means “you hear me” is a super frosty and very dense strain, that offers a long-lasting upbeat, energetic, cerebral experience. She has a tendency to produce blue/green flowers with some becoming full on purple toward the end of flower. The flowers, when fully mature require a cure to intensify the smell of spicy fruit mixed with diesel but the taste is there immediately upon harvest. Ya Hemi has a taste that varies slightly from phenotype to phenotype, but all had a pepper/spice fruit taste.

If you like high powered Sativa’s, this is your strain, but keep in mind that she is a difficult strain to grow. She stretches 1-2 times its size during flower, so special training may be required. The flowers are extremely dense and susceptible to mold, so adequate ventilation and low humidity is a must. She does not like heat and therefore can be very finicky. Her flowering time is short despite her Sativa tendencies. The original breeder recommended a flowering time of 63 days but in my experience, she is more of a 75–80-day strain.

My work on Ya Hemi:
I started with 2 clones of Ya Hemi #9, which I acquired from a friend at Blackjack Canna Co., formerly known as Iron Fist. I reversed one clone using my own mix of STS spray, which provided me with feminized pollen. I froze that pollen for approximately 10 months. During that time, I acquired a pack of Ya Hemi S1 seeds by Bay Area Seeds, I grew them all out and pollinated all of them (open pollination) using the Ya Hemi #9 pollen I froze for 10 months. This resulted in Ya Hemi feminized seeds which I offer you for a small fraction of what I paid for the original genetics.

Type: Photoperiod
Gender: Feminized
Mother: Ya Hemi S1 (Bay Area Seeds)
Father: Female Ya Hemi #9 clone (Blackjack Canna Co.)
Sat/Ind Hybrid Ratio: 70 Sat/30 IND – Hybrid
% of banned chemical in these seeds: less than 0.3%
% of chemical in final product: 20% – 23%

Work performed by: Rude Dawgs Genetics

Buy a pack, Get a pack FREE of our choosing with every purchase– Free pack based upon availability.

FREE shipping with tracking number within the continental USA






Weight 3 kg
Dimensions 5 × 3 × 5 cm

1 seed, 3 seeds, 6 seeds, 12 seeds

Shipping and delivery

We only ship within the USA.

How do you ship packages?

Packages are shipped through USPS.

Do you ship worldwide?


What about customs?

Customs is not an issue because we only ship within the USA

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says "no information available at the moment".

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you have specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

Refunds & returns policy

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • You do not receive them within the guaranteed time (45 days not including 2-5 day processing)
  • You receive the wrong item
  • You do not want the product you have received (but you must return the item at your expense and the item must be unused)

We do not issue the refund if:

  • Your order does not arrive due to factors within your control (e.g. providing the wrong shipping address)
  • Your order does not arrive due to exceptional circumstances outside our control (e.g. not cleared by customs, delayed by a natural disaster)
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on page.

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

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