Zamzows Thrive vs Penaturf: Which Concentrate to Use
By Zamzows Lawn, Garden, & Pet – Zamzows store | Published: 2026-11-04
Category: Comparativas
Thrive Bloom Concentrate feeds flowers and fruit; Penaturf Concentrate targets hard, compact soil. Compare the two Zamzows lawn and garden concentrates before you buy.
Quick answer
Choose Zamzows Thrive Bloom Concentrate for hanging baskets, flower pots, and garden beds where you want more blooms and fruit. Choose Zamzows Penaturf Concentrate when the problem is hard, compact lawn soil that limits growth. They solve different problems, so many yards use both.
One feeds blooms, the other works on soil
Thrive Bloom Concentrate is a bloom-focused fertilizer for annuals, bedding plants, hanging baskets, flower pots, and garden crops. Its job is to support flowering and fruit production through the season.
Penaturf Concentrate is a lawn fertilizing enhancer formulated for the hard, compact soils common across the Treasure Valley. It is aimed at soil condition and lawn growth rather than flower production.
That difference matters because applying a bloom fertilizer to compact lawn soil will not fix the compaction, and a soil enhancer will not push a hanging basket into heavier bloom.
Where the choice gets less obvious
If your lawn is thin and the soil is compact, Penaturf addresses the stated cause. If your lawn is already growing well but your flower pots stall after the first flush, Thrive is the more relevant product.
Neither label supplies a full application rate or timing schedule in the catalog facts provided, so read the bottle label before mixing. Concentrates are easy to over-apply if you guess at dilution.
The catalog also does not list option sizes beyond the 16 oz Thrive and 32 oz Penaturf bottles, so match the bottle size to the area you actually treat rather than stocking up on an untested product.
Cost per bottle is not cost per season
The catalog lists Thrive at USD 10.19 against a comparison price of USD 16.99, and Penaturf at USD 15.49 against USD 24.99. Those are bottle prices, not dilution rates.
Because the catalog does not state how much area each bottle covers, compare them by the job they do, not by shelf price. A cheaper bottle that solves the wrong problem is the more expensive choice.
Trade-offs to weigh before you buy
- Bloom power vs soil conditioning: Thrive targets flowering and fruit on annuals, bedding plants, and containers. Penaturf targets hard, compact lawn soil. Pick the product that matches the symptom you actually see. Walk your yard first and name the problem before choosing a bottle.
- Containers vs lawn: Thrive suits hanging baskets, flower pots, and garden beds. Penaturf is a lawn product. Using one where the other belongs wastes money and may not address the cause.
- Bottle size vs area treated: Thrive comes in a 16 oz bottle and Penaturf in a 32 oz bottle. The catalog does not state coverage per bottle, so check the label dilution before buying for a large area. Measure your bed or lawn area before you commit to a bottle size.
- Price vs purpose: Thrive is listed at USD 10.19 (comparison USD 16.99) and Penaturf at USD 15.49 (comparison USD 24.99). Treat these as bottle prices and decide by the job, not the discount.
Product facts at a glance
- Zamzows Thrive Bloom Concentrate 16 OZ: Zamzows Thrive Bloom Concentrate 16 OZ is formulated to encourage blooming and continuous flowering for annual and bedding plants. It fits containers and garden beds where repeat bloom through the season is the goal.
Zamzows Thrive Bloom Concentrate 16 OZ - Zamzows Penaturf Concentrate 32 OZ: Zamzows Penaturf Concentrate 32 OZ is a lawn fertilizing enhancer formulated for hard, compact soils found across the Treasure Valley. It is the relevant pick when soil compaction, not flower production, is limiting your lawn.
Zamzows Penaturf Concentrate 32 OZ
Which one fits your yard
Best for
- Gardeners feeding hanging baskets, flower pots, annuals, and bedding plants for more blooms
- Treasure Valley homeowners whose lawn is struggling in hard, compact soil
Not for
- Anyone expecting a bloom fertilizer to fix compacted lawn soil
- Anyone expecting a soil enhancer to replace a bloom program in containers
