Promo code
5% off
5% Off Storewide at HTG Supply
- Storewide offer; check exclusions
2k recorded uses
Last reported success:
HTG Supply coupons & promo codes
HTG Supply
htgsupply.com30
Offers to explore
5k
Recorded uses on shown offers
Aug 18, 2026
Last dated success
Coupons & offers
TOP PICK
5% off
2k usesLast success Aug 18, 2026
5% Off Storewide at HTG Supply
- Storewide offer; check exclusions
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 34
- Recorded successes
- 31
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
10% off
660 usesLast success Apr 8, 2025
10% Off Select Items at HTG Supply
- Applies to: Select items
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 22
- Recorded successes
- 12
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
35% off
470 usesLast success Apr 27, 2025
35% Off Selet Item at HTG Supply
- Applies to: Select items
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 26
- Recorded successes
- 13
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
25% off
410 usesLast success Mar 16, 2025
25% Off Select Items at HTG Supply
- Applies to: Select items
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 29
- Recorded successes
- 12
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
38% off
360 usesLast success Jun 3, 2025
38% Off Advanced Nutrients Big Bud Liquid 10 Liter at HTG Supply
- Applies to: Select items
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 64
- Recorded successes
- 13
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
$10 off
270 usesLast success Apr 19, 2023
$10 Off Storewide, Excludes Sale Items (Minimum Order: $50) at HTG Supply
- Minimum spend: $50 min order
- Storewide offer; check exclusions
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 31
- Recorded successes
- 1
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
15% off
190 usesLast success Dec 23, 2023
15% Off Storewide at HTG Supply
- Storewide offer; check exclusions
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 20
- Recorded successes
- 1
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
10% off
190 usesLast success Nov 28, 2024
10% Off (Storewide) at HTG Supply
- Storewide offer; check exclusions
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 23
- Recorded successes
- 1
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
10% off
120 usesLast success Jan 1, 2025
10% Off Storewide at HTG Supply
- Storewide offer; check exclusions
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 34
- Recorded successes
- 1
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
$50 off
110 usesLast success Jan 18, 2024
$50 Off Complete Plant Tissue Culture Course At Snr University at HTG Supply
- Applies to: Select items
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 19
- Recorded successes
- 8
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
10% off
73 usesLast success Apr 27, 2024
10% Off Hortibloom Mega Optic 720w Led Grow Light at HTG Supply
- Applies to: Select items
Offer history & confidence
Success recorded · (UTC).
- Recorded checks
- 23
- Recorded successes
- 1
Report totals use the most recent vote per anonymous reporter record. Recorded checks and successes can already include Terra reports; these totals should not be added together. Past results depend on the basket and offer terms.
12 of 30 offers
12 offers shown
Compare recorded offers. Read the conditions and check the final basket total before placing an order.
The recorded picture
Offer activity over time
These are additions to Terra and shopper report events, not merchant launch dates or a history of checkout prices. Months use UTC; the latest month may be incomplete.
Offers added to TerraTerra reports
View monthly counts
| Month | Offers added to Terra | Terra reports | Success | Did not work |
|---|---|---|---|---|
| Dec 2025 | 0 | 0 | 0 | 0 |
| Jan 2026 | 0 | 0 | 0 | 0 |
| Feb 2026 | 0 | 0 | 0 | 0 |
| Mar 2026 | 0 | 0 | 0 | 0 |
| Apr 2026 | 0 | 0 | 0 | 0 |
| May 2026 | 0 | 0 | 0 | 0 |
| Jun 2026 | 0 | 0 | 0 | 0 |
| Jul 2026 | 0 | 0 | 0 | 0 |
| Aug 2026 | 0 | 0 | 0 | 0 |
| Sep 2026 | 0 | 0 | 0 | 0 |
| Oct 2026 | 0 | 0 | 0 | 0 |
| Nov 2026 | 1 | 0 | 0 | 0 |
Make the most of your order
How to save at HTG Supply
Start with these offers from the list above. Compare their conditions with your basket, then check the final total at checkout.
Promo code
10% off
10% Off Select Items at HTG Supply
- Applies to: Select items
660 recorded uses
Last reported success:
Promo code
35% off
35% Off Selet Item at HTG Supply
- Applies to: Select items
470 recorded uses
Last reported success:
Promo code
25% off
25% Off Select Items at HTG Supply
- Applies to: Select items
410 recorded uses
Last reported success:
How to use a HTG Supply coupon
- Choose an offer above and read its conditions. Copy the code if one is provided.
- Open HTG Supply and add eligible items to your basket.
- For a code offer, look for a promo-code or discount field in the basket or checkout and apply the code. No-code offers may apply automatically; follow the offer instructions.
- Check the discount, delivery cost, and final total before paying.
Why might a HTG Supply code not work?
A code can fail because it has expired, has already been used, excludes your items, needs a minimum spend, or is limited to a particular account or country. Check the offer details, remove extra spaces, and confirm whether another promotion is already applied. Try a different offer if the conditions do not match your order.
A past success is a useful signal, not a guarantee for every basket. After trying an offer, share whether it worked to help other HTG Supply shoppers.
About the offer information
Terra lists available offer information and recorded code activity. Our directory includes 30 code offers for HTG Supply. Compare the conditions and recorded activity on the offers above. Eligibility depends on your basket and the merchant's checkout.
Terra may earn a commission when you buy through a merchant link.
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20% Off Storewide at Click & Grow
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$30 off
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$30 Off Storewide at Hey Abby
$50 off
GrowersHouse.com
$50 Off Storewide (minimum Order $250) at GrowersHouse. com
10% off
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10% Off (Storewide) at Rise Gardens
About HTG Supply
Share your experience with HTG Supply.
Sign in to rate this storeFAQs
- 20% Off Storewide at Click & Grow. Check out their Click & Grow coupon codes
- $25 Off Gardyn Studio 1 at Gardyn. Check out their Gardyn coupon codes
- 15% Off (Storewide) at FarmTek. Check out their FarmTek coupon codes
- $30 Off Storewide at Hey Abby. Check out their Hey Abby coupon codes
- $50 Off Storewide (minimum Order $250) at GrowersHouse. com. Check out their GrowersHouse.com coupon codes
- 10% Off (Storewide) at Rise Gardens. Check out their Rise Gardens coupon codes
Our directory includes 30 code offers for HTG Supply. Check the conditions and recorded activity on each offer before shopping.
Stacking rules depend on the offer. Read the terms and compare the final basket total after applying a code. Do not assume a code combines with sale prices or another promotion.
Check HTG Supply's official website for delivery charges, return windows, exclusions, and regional terms before paying. Offer-specific details shown here may have additional conditions.
The Terra shopping guide
Offer information, shopping tips, and community reports to help you compare savings.
Shopping guide