15 Fresh Inga spectabilis Seeds – Guamá / Guaba Machete / Ice Cream Bean
Inga spectabilis (Vahl) Willd.
$22.89
Specialty tropical nursery · Caribbean grown
Grow the tropics, wherever you are.
Fresh tropical seeds and healthy live plants, hand-selected and shipped with a complete growing guide for every species we grow.
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Three ways to explore the tropics
Start from seed, grow an established plant, or experience selected fresh tropical fruit.
Tropical Seeds
Explore tropical seeds with species-specific germination and growing information.
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Live Tropical Plants
Nursery-grown fruit trees, foliage, palms, and rare tropicals, shipped established.
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Fresh Tropical Fruit
Selected whole tropical fruits with species-specific information and free shipping.
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Featured this season
Varieties our growers are excited about right now.
Growing Guides
Species-specific guides for growing tropical seeds and plants.
Soil, depth, watering, temperature, humidity, light, germination time, transplanting, troubleshooting, and long-term care — written so a complete beginner can follow along.
Beginner · Seedlings often appear roughly 1–3 weeks after sowing, depending on warmth, light and moisture
How to Grow Llantén | Plantago major Broadleaf Plantain Growing Guide
A practical grower's guide to Plantago major from seed: handling very small seed, surface sowing, moisture management, seedling and rosette development, thinning, transplanting, containers, seed spikes, seed collection, self-seeding control and troubleshooting.
Intermediate · New growth typically appears once the plant settles in after shipping
How to Grow Guamá | Inga laurina (Inga fagifolia) Growing Guide
Species-specific care guide for a young guamá (Inga laurina, historically Inga fagifolia) live plant: identification, the Inga fagifolia name, guamá in Puerto Rico's coffee landscape, compound leaves and extrafloral glands, flowers and pods, arrival and the first 7 days, light acclimation, watering, drainage, soil, containers, transplanting, nutrition, pruning, long-term establishment, cold-climate container culture, honest nitrogen-fixation context, troubleshooting and common mistakes.
Beginner · Often around 1–2 weeks with fresh seed
Inga spectabilis Growing Guide — Seeds, Live Plants and Long-Term Care
How to germinate fresh Inga spectabilis seed, receive a young Guamá / Guaba Machete live plant, and guide this tropical tree through establishment and long-term growth.
Beginner · Root establishment first; shoot growth follows within weeks under warm conditions
How to Grow Inga vera from Germinated Seed | Complete Guaba Growing Guide
A species-specific guide to Inga vera (Guaba): recalcitrant seed biology, handling a germinated radicle, planting depth and orientation, moisture versus waterlogging, container progression, long-term tree development and the species' role in Puerto Rican coffee agroforestry.
Intermediate · New growth typically becomes visible as the plant settles in
Annona reticulata Care Guide — Custard Apple / Bullock's Heart / Corazón Live Plant
How to care for a young Annona reticulata live plant after shipping: unpacking, the first 24–48 hours, light acclimation, watering, soil, repotting, fertilization, cold protection and long-term growing.
Intermediate · New growth typically becomes visible as the plant settles in
How to Grow Annona muricata (Guanábana / Soursop)
Complete care guide for a young Annona muricata (guanábana / soursop / graviola) live plant: arrival, the first 7 days, light acclimation, watering, soil, containers, repotting, temperature, cold protection, fertilization, pruning and long-term growing.
Why Alpha Tropic Seeds
A nursery run by people who grow what they sell
Fresh tropical seed
Tropical seed is perishable, so we recommend planting promptly on arrival and following the species guide.
Prepared for transit
Seeds, live plants and fresh fruit are packed with care for their journey.
A guide for every species
Seed and live-plant listings link to species-specific growing guides written for beginners, not botanists.
Carefully packed
Seeds and live plants are prepared for transit by hand in Puerto Rico before they ship.
From the journal
Learn tropical growing
Practical articles on germination, plant care, and building a tropical garden.
Tropical Fruit Trees
How Long Does a Quenepa Tree Take to Produce Fruit? Growth, Pollination & Care
Seed-grown quenepa trees can take the better part of a decade to fruit — and one tree alone may never fruit at all. Here is what the extension research actually says about timing, pollination, and care.
9 min read
Tropical Fruit Trees
Seed-Grown vs. Grafted Tropical Fruit Trees: What Buyers Need to Know
One is a genetic individual, the other a clone on borrowed roots. Understanding how your fruit tree was propagated tells you what to expect from it — and what not to expect.
10 min read
Seed Germination
Tropical Seed Germination: The 5 Things That Actually Matter
Warmth, moisture, air, freshness, and patience. Master these five variables and most tropical seeds will sprout for you.
7 min read
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