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Recommended hardware for Garzed

Everything you need to run smart watering with Garzed. Tested with our app — no guessing which model works.

Start here

Smart hardware to start with

Start with a soil sensor and a valve. The valve can be a Rachio hose timer for a garden hose, or a Rachio 3 controller for an in-ground sprinkler system. Buy a starter kit if you don't already own the brand — the kits include the hub each system needs.

Ecowitt

Soil Moisture Starter Kit

GW1100 hub + 1 WH51 sensor

Start here if you don't have Ecowitt yet

The sensor reads soil moisture every 70 seconds and sends readings to the hub over wireless RF. The hub then streams that data to Garzed over your home WiFi. One hub supports up to 16 sensors.

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Rachio

Smart Hose Timer Starter Kit

1 valve + WiFi hub

Start here if you don't have Rachio yet

The valve mounts on any standard hose bib (or splitter) and runs on 2 AA batteries. The hub plugs into the wall and connects the valve to your WiFi so Garzed can control it. One hub supports up to 8 valves.

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Rachio

Rachio 3 Controller

Wired controller · Wi-Fi built in, no separate hub

Start here for an in-ground sprinkler system

The controller path — for an in-ground sprinkler system instead of a garden hose. It wires into your existing valves and connects straight to Wi-Fi, so there's no separate hub. Garzed fires each zone in short pulses based on that area's soil. Comes in 8-zone and 16-zone — pick the one that matches your system.

Choose your size on Amazon →

How the hubs work — you only buy one

Each system has a single hub that acts as the brain. Your Ecowitt gateway talks to every Ecowitt sensor you add — soil moisture, weather array, soil temperature — all at once, and your Rachio hub runs all your valves. So you only ever buy one hub per brand. Already have a hub from a starter kit? Add the sensors and valves below on their own — never a second hub.

Starting fresh and planning a weather array or several sensors? It's worth making your first Ecowitt hub the GW3000 rather than the GW1100 — it adds wired Ethernet for a steadier connection, and Garzed depends on the hub staying online. Only choose this for your very first hub.

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Add more sensors or valves

Already have the hubs? Add individual sensors and valves to cover more areas and zones. These pair to your existing hub — no second hub needed.

Ecowitt

WH51 Soil Moisture Sensor

Sensor only · requires Ecowitt hub

Add one (or several for large areas)

One sensor per area for most setups. For larger beds, add 2-3 sensors to the same area — Garzed averages them for a more accurate reading. Pairs to your existing Ecowitt hub automatically. Battery-powered, multi-year life.

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Ecowitt

WH52 Soil Sensor (3-in-1)

Sensor only · requires Ecowitt hub

Moisture + temperature + EC in one probe

The upgraded soil probe — moisture, temperature and EC in one stake. Garzed reads its soil moisture to drive watering, exactly like the WH51, and it pairs to your existing Ecowitt hub on its own channel. Pick it if you want the extra temperature and conductivity data the probe collects.

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Rachio

Smart Hose Timer Valve

Valve only · requires Rachio WiFi hub

Add one per area you want to water

One valve per area. Pairs to your existing Rachio hub. Use a hose splitter at the spigot to run multiple valves off a single hose bib.

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Ecowitt

WN34BS Soil Temperature Sensor

Sensor only · requires Ecowitt hub

Add one per bed for germination timing

30cm stainless probe with LCD readout. Streams soil temperature to your Ecowitt hub. Garzed uses the reading for germination-window guidance per crop, frost-aware bot advice, and conditions context on each area. Up to 8 per hub.

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Ecowitt

WS90 Weather Array (7-in-1)

Sensor array only · requires Ecowitt hub

Add for rain-aware scheduling + local frost

Measures rain, temperature, humidity, wind, UV and solar right at your garden. Pairs to your existing Ecowitt hub — no second gateway. Garzed uses the on-site rainfall to skip your scheduled waterings after a real storm, and your local temperature to flag frost — instead of a station miles away. Solar-powered with AA battery backup; the only cable is an optional 12V input for the cold-weather wind-sensor heater. Mounts on a 1-inch pole, sold separately (see Accessories below).

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WeatherFlow

Tempest Weather System

All-in-one station · its own hub, not an Ecowitt add-on

Alternative to the WS90 weather array

A standalone weather station — rain, temperature, wind, UV, solar and pressure from one solar-powered unit with no moving parts. It runs on its own WeatherFlow hub (not the Ecowitt gateway); you connect it to Garzed with a WeatherFlow access token. Garzed then uses its on-site rainfall to skip scheduled waterings after a storm and your local temperature to flag frost — exactly like the WS90. Pick this instead of the WS90 if you already run a Tempest or prefer WeatherFlow's ecosystem.

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Accessories

Around the garden

Useful extras for around the garden — add-ons that pair with your beds and your Garzed hardware.

40% black knitted shade cloth with grommets, draped over a garden bed

Agfabric

6×12 ft Shade Cloth (40%)

Knitted HDPE · taped edges + grommets

Add for heat-wave shade on cool-season beds

40% knitted shade cloth — the goldilocks density: enough to protect heat-stressed lettuce, spinach and other cool-season crops from bolting and bitterness in a heat wave, while still light enough to use over tomatoes and peppers. Hang it on hoops a foot or two above the plants (never resting on the leaves), sides open for airflow. Garzed's heat advisory tells you when a hot stretch is coming and how to rig it.

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Fiberglass garden hoop kit for raised beds with clips

Garden hoops

Fiberglass Hoop Kit

6 sets of 8 ft · with clips

Add to hold shade cloth above the plants

Bendable fiberglass hoops to hold shade cloth (or row cover / netting) up off your plants — the whole trick to shading right is keeping the cloth off the leaves. Stick the ends in the soil along the bed, clip the cloth on, leave the sides open for airflow. No rebar or tools needed.

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Antenna mast pole with weatherproof wall bracket for mounting the WS90 weather array

Weather-array mount

Adjustable Antenna Mast

1-inch pole + wall bracket · for the WS90

Mount the WS90 off the ground

The WS90 clamps to a 1-inch pole and shouldn't be staked in soil (it'll shift and skew readings). Get it vertical, up off the ground, and out in the open away from walls and overhangs, then point it north — the array is directional. Includes a weatherproof wall bracket for a post, eave, or wall.

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As an Amazon Associate Garzed earns from qualifying purchases. We only recommend hardware we've tested with the app. Prices and availability shown on Amazon at time of click.