30-90 days





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American Holly Tree Seed Starter Grow Kit
BOTANICAL NAMEIlex opaca
USD 14.99
100 in stock
American holly is the classic evergreen of the holidays, with glossy, spined leaves and bright red winter berries.
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The growing details, all in one place.
Full Sun to Partial Shade (4-6 hours daily)
40F (cold stratification)
Check the directions supplied with your seed variety.
THE PLANT NOTEBOOK
American Holly care, from seed onward.
- Botanical name
- Ilex opaca
- Common names
- Holly
- Family
- Aquifoliaceae
- Genus
- Ilex
- Species
- I. opaca
Start growing
Sun or shade. Likes acidic soil. Plant in groups for berries.
Growing with your kit
Holly seeds take a long time to germinate (dormancy). The Seeds In A Cup® kit uses stratified seeds to speed this up.
Propagation
Cuttings or seed.
Seasonal growth & harvest
Dioecious (needs male and female to fruit). Berries persist into winter.
Growing conditions
Moist, acidic forests.
Weather & tolerances
Shade tolerant; pollution tolerant.
Pests & plant health
Leaf miner and scale.
Plant safety
Berries are toxic to humans/pets (vomiting); leaves are spiny.
Botanical features
An evergreen tree/shrub with spiny, leathery leaves and bright red berries (drupes) on female plants.
Varieties
‘Satyr Hill’, ‘Jersey Princess’.
Garden & everyday uses
Winter holiday decoration. wood used for piano keys (dyed black)
Native range & distribution
Eastern and South-Central United States.
Conservation
Secure.
Name origins
‘Ilex’ is the Latin name for Holm Oak (which has similar leaves).
History
Associated with winter solstice celebrations and protection against lightning.
Good questions grow here
A little more clarity.
Do American Holly seeds need cold stratification?
Yes — American Holly seeds are raw and untreated, so they need a cold, moist rest to break dormancy. Mix them into the damp soil, cover with the lid, and chill the planter in the refrigerator for several weeks, then move it somewhere warm and bright.
How long do American Holly seeds take to germinate?
American Holly seeds typically sprout in 30-60 days at 40F when kept warm and evenly moist. Your guide lists the ideal conditions.
Can I grow American Holly indoors, and is it hardy in my area?
You start American Holly indoors in any climate using the kit. Once established it can be moved outdoors in Any Zone If grown indoors, or kept in a container in colder regions.
Growing details are supplied in the Seeds In A Cup® product catalog. Follow the instructions included with your specific kit.
Our information standards ↗The growing journal
Read. Learn. Grow.
5 articles matched to this plant.
American Holly · Growing guides
How to Grow American Holly: Complete Seed-to-Harvest Guide
A comprehensive, data-grounded guide to growing American Holly, including seed starting, site planning, care, problems, harvest, safety, and FAQs.
Read articleAmerican Holly · Growing guides
American Holly From Seed: A Step-by-Step Garden Planning and Planting Blueprint
Learn how to plan, start, transplant, and care for American Holly with a structured seed-to-garden workflow and clear answers to common questions.
Read articleAmerican Holly · Plant health
American Holly Problems Solved: Pests, Diseases, Yellow Leaves, and Seasonal Care
A practical troubleshooting guide for American Holly covering diagnosis, pest and disease prevention, environmental stress, seasonal care, and FAQs.
Read articleAmerican Holly · Harvest & uses
American Holly Harvest Guide: Uses, Varieties, Storage, and Home-Garden Success
Explore American Holly harvest timing, documented uses, variety selection, safe handling, propagation, and practical home-garden planning.
Read articleAmerican Holly · Botanical profiles
American Holly Plant Profile: Botany, Origins, Growing Facts, Safety, and FAQs
An educational botanical profile of American Holly, including taxonomy, history, distribution, cultivation facts, safety considerations, and FAQs.
Read article