What really makes a good hydro gardener?

Seed orientation

Always plant the radicle on the seed facing downwards towards the growing media. The radicle is the small dot (dark or light) or the pointed end on the seed that the first roots will emerge from.


Germinating seeds successfully means having the perfect balance of moisture, heat, and oxygen. Most seeds need a soil temperature of at least 68 degrees Fahrenheit to germinate. If you live in a colder climate, you may need to place a warming mat under your seed starter. This will help increase the germination rate.

Choosing seedlings

When choosing your seedlings to transplant, pick the strongest and healthiest looking ones. Look for deep green leaves, a straight stem, and new growth. Stick to one seedling per sponge, you may need to thin them out if you planted more than one seed per sponge.


Seedlings can be fragile. Use the included pick tool with your seed starter to gently lift the sponge. Try to be gentle and include all the roots as you place the seedling into one of the Solaris Garden trays. If some roots don’t make it, don’t worry, they will grow back.

Stem support

Use the included Solaris Garden Plant Support to brace larger plants such as peppers. Place the support so that the plant leans into it. Providing support ensures the plant grows upwards and all parts of the plant can receive light.

Vine support

Just like when growing vining plants outside, it is best to provide support for the plants to grow on. Try using yarn, string, or planting tape to create a trellis support between the Solaris Garden frame for your vining or tall plants to grab on to.


When growing herbs, a good way to make them a bit bushier is to trim them back. This will encourage more branching out and leaf growth. You may also need to trim your plants if they start to block the light for other plants.

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