Plant the Seeds When the weather warms and temperatures are consistently above 70°F, scatter zinnia seeds over prepared ...

Discover how to grow and care for zinnias with our comprehensive guide. Learn about planting techniques, ideal growing ...

The zinnia flowers were grown in the Veggie facility, a low-cost growth chamber that provides lighting and nutrient supply for plants on the ISS. Astronaut Scott Kelly shared a photograph of the ...

Add Light and Water Cover the pots or seedling trays ... warms and temperatures are consistently above 70°F, scatter zinnia seeds over prepared garden soil or plant them in rows or pots.