Illustration of seedling
- 1 primary root
- 2 rootlet
- 3 root hairs
- 4 hypocotyl
- 5 cotyledon
- 6 young stem
- 7 true leaf
1
: a young plant grown from seed
2
a
: a young tree before it becomes a sapling
b
: a nursery plant not yet transplanted
seedling
adjective
Examples of seedling in a Sentence
Recent Examples on the Web
Pinch flowers and flower buds off seedlings before planting seedlings.
—
Nan Sterman, San Diego Union-Tribune, 7 June 2025
Use a diluted cinnamon spray to fight fungal diseases such as gray mold and tomato blight, and help protect young seedlings from damping off.
—Brandee Gruener, Southern Living, 6 June 2025
Plant six seeds to a mound and thin to the three most robust seedlings that develop.
—Joshua Siskin, Oc Register, 5 June 2025
Vermiculite used in seed-starting mixes and as a top dressing when starting seeds greatly reduces problems with damping off, a fungal problem common in seedlings.
—Andy Wilcox, Better Homes & Gardens, 4 June 2025
See All Example Sentences for seedling
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Nan Sterman, San Diego Union-Tribune, 7 June 2025
Use a diluted cinnamon spray to fight fungal diseases such as gray mold and tomato blight, and help protect young seedlings from damping off.
—Brandee Gruener, Southern Living, 6 June 2025
Plant six seeds to a mound and thin to the three most robust seedlings that develop.
—Joshua Siskin, Oc Register, 5 June 2025
Vermiculite used in seed-starting mixes and as a top dressing when starting seeds greatly reduces problems with damping off, a fungal problem common in seedlings.
—Andy Wilcox, Better Homes & Gardens, 4 June 2025
See All Example Sentences for seedling
Cite this Entry
“Seedling.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/seedling. Accessed 15 Jun. 2025.
Copy CitationKids Definition
seedling
noun
seed·ling
ˈsēd-liŋ 
1
: a young plant grown from seed
2
: a tree before it becomes a sapling
seedling
adjective
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