VegetablePepper
Mushroom Yellow Pepper
Mushroom Yellow Pepper is a striking Caribbean heirloom from Jamaica that brings both heat and visual drama to the garden. These compact plants produce distinctive flattened, mushroom-shaped peppers that ripen from bright orange or green to a sunny yellow, each about 1 inch long and 1.5 inches wide. Don't let the small size fool you: these peppers pack serious punch, delivering 100,000 to 300,000 Scoville Heat Units. Ready to harvest in 80 to 89 days from transplant, they thrive in warm zones 4 through 13 and grow happily in containers, garden beds, or raised beds.
Photo © True Leaf Market
Growing Conditions
USDA Zone
4-13
Sunlight
Full Sun
Water
Moderate
Soil
Well-drained, Fertile Loam, High Organic Matter
Growth Stats
30 in
Height
TypeUpright
Spacing
18
Plant Profile
Sunlight
Full Sun
Water
Moderate
Zones
4-13
Size
30in H x ?in W
Growth
—
Care
High
Hover over chart points for details
Highlights
This Jamaican heirloom earned its name honestly: the peppers really do look like tiny mushrooms poking up from the foliage. The color progression from orange-green to golden yellow makes them as ornamental as they are functional, turning the plant into a living centerpiece. An open-pollinated variety that's been passed down through generations, it tolerates blossom end rot and bacterial leaf spot, proving its resilience in real gardens where conditions aren't always perfect.
Common Uses
These peppers excel in hot sauces, where their intense heat (100,000 to 300,000 SHU) delivers genuine fire. They're also dried and ground into pepper powders, fermented into condiments, or used fresh in cooked dishes where their heat can infuse broths and stews. The small, manageable size makes them excellent for pickling whole, and their mushroom shape makes them visually interesting enough to be showcased in preserves.
Growing Timeline
No timeline data available yet for this variety.
Care Instructions
Start Indoors
Start seeds indoors 6 to 8 weeks before your last spring frost date. Pepper seeds germinate best at soil temperatures between 70°F and 85°F. Keep the seed tray consistently moist (not waterlogged) and provide bright light once seedlings emerge.
Transplant Outdoors
Transplant outdoors after the last frost date when soil has warmed to at least 60°F and nighttime temperatures consistently stay above that threshold. Harden off seedlings gradually over 7 to 10 days by exposing them to outdoor conditions in increasing increments. Space transplants 18 inches apart in rows 36 inches apart.
Harvesting
Peppers can be harvested at the orange-green stage or allowed to fully ripen to golden yellow, which develops more sweetness and intensity. Each pepper is about 1 inch long and 1.5 inches wide; pick when they feel firm and have reached full color. Use scissors or a sharp knife to cut peppers from the stem rather than pulling them, which can damage the branch. Harvesting regularly encourages the plant to produce more flowers and fruit throughout the season.
Pruning
For an upright-growing plant like Mushroom Yellow Pepper, pinch out the growing tip when plants are 6 to 8 inches tall to encourage branching and a bushier form. As the plant matures, you can remove lower leaves that touch the soil to improve air circulation and reduce disease pressure, but avoid heavy pruning that stresses the plant.
Growing Calendar
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Companion Planting
Pests & Diseases
Ecology & Traits
Deer ResistantEdible
Scientific Classification
Capsicum chinense
Family
Solanaceae
Genus
Capsicum
Growth Habit
Upright
History & Origin
“Mushroom Yellow Pepper originates from Jamaica, where it has been grown and saved by Caribbean gardeners for generations. As an open-pollinated heirloom, it represents the accumulated wisdom of seed savers who recognized this variety's distinctive shape, reliable productivity, and heat level as worth preserving. It made its way into contemporary seed catalogs as growers and collectors sought to maintain authentic Caribbean pepper genetics, connecting modern gardeners directly to the agricultural traditions of the Caribbean islands.”