A Complete Tomato Seed Starting Guide from Indoor Seeding to Outdoor Planting: Every Step In Between

4. A watering method where plants are watered from the bottom, allowing the roots to absorb water through capillary action.
6. Individual compartments within a flat or tray used for planting seeds or transplanting seedlings.
7. A unit of measurement for the total quantity of visible light emitted by a source.
9. A substance added to soil or plants to provide essential nutrients for growth.
10. The process by which a seed begins to sprout and grow into a seedling.
11. The organic matter produced by earthworms as they digest organic material, rich in nutrients and beneficial microorganisms.
13. Trays or shallow containers used for starting seeds, typically with multiple cells for individual plants.
15. The average date of the last spring frost in a specific region, important for determining when it's safe to transplant seedlings outdoors.

1. A measure of the concentration of hydrogen ions in a solution, influencing soil pH and nutrient availability for plants.
2. Lights Artificial light sources used to supplement natural sunlight for indoor plant growth.
3. A lightweight, volcanic rock material often used in soil mixes to improve drainage and aeration.
5. The process of gradually exposing plants to new environmental conditions to prevent shock.
8. Young plants that have recently sprouted from seeds.
12. Mix A specific type of soil mixture designed for starting seeds, usually lightweight and sterile.
14. Leaves The first set of leaves that appear after the cotyledons (seed leaves) of a plant, resembling the leaves of the mature plant.