Bright Yellow Flower Spikes
Produces prominent upright clusters of yellow flowers that bring vibrant color to tropical and subtropical gardens.
Estimated Delivery:Nov 21 - Nov 25
Free Shipping on All Orders
Alata Senna, commonly known as candle bush or popcorn senna, is a tropical ornamental shrub recognized for its large, bright yellow flower spikes and broad, compound green leaves. Botanically known as Senna alata, this fast-growing plant can add a bold tropical appearance to gardens, landscape borders, and spacious outdoor planting areas. Alata Senna grows best in warm conditions with plenty of sunlight and well-drained soil. It is valued for its striking flowers and lush foliage in suitable climates.
Produces prominent upright clusters of yellow flowers that bring vibrant color to tropical and subtropical gardens.
Features large, pinnate leaves with multiple green leaflets that create a full and leafy ornamental appearance.
Can develop quickly in warm weather when provided with adequate sunlight, moisture, and suitable soil conditions.
Makes an attractive choice for spacious garden borders, tropical landscapes, and ornamental planting schemes.
| Scientific Name | Senna alata |
| Common Name | Alata Senna, Candle Bush, Popcorn Senna |
| Plant Family | Fabaceae |
| Seed Type | Flowering Shrub Seeds |
| Plant Type | Tropical Shrub or Small Tree |
| Growth Habit | Upright, bushy, and spreading |
| Flower Color | Bright Yellow |
| Foliage Color | Green |
| USDA Hardiness Zones | Generally suited to tropical and warm subtropical climates; frost tolerance varies |
| Planting Season | Spring or the warm rainy season, after cold conditions have passed |
| Seed Starting | Scarify the hard seed coat lightly and soak in warm water before sowing |
| Germination Time | Often around 1–3 weeks under suitable conditions; may vary |
| Germination Temperature | Warm conditions, approximately 25–30°C |
| Sunlight | Full sun to partial shade; flowering is generally best with ample sunlight |
| Soil Requirements | Fertile, well-drained soil with moderate moisture retention |
| Watering | Water regularly during establishment; avoid prolonged waterlogging |
| Mature Plant Height | Approximately 2–4 metres under favorable conditions |
| Plant Spacing | Allow approximately 1.5–2.5 metres, adjusting for the intended landscape and mature spread |
| Propagation Method | Seeds |
Alata Senna Seeds offer an opportunity to grow a striking tropical shrub with brilliant yellow flowers and lush green foliage. Suitable for warm-climate gardens, landscape borders, and spacious outdoor planting areas, this ornamental plant adds height, texture, and seasonal floral interest. Provide warmth, adequate sunlight, and well-drained soil to support healthy growth and abundant flowering. Check local guidance before planting, as Senna alata can spread aggressively and is considered invasive in some regions.
Learn about Alata Senna seed preparation, flowering time, and the best growing conditions for this tropical shrub.
Lightly nick the hard outer seed coat without injuring the seed, then soak it in warm water before sowing. Plant the seed in a well-draining growing medium and maintain warm temperatures and consistent moisture. Avoid waterlogging, which can cause seeds to rot.
Senna alata can flower within several months of sowing under favorable warm, sunny conditions, although the timing varies with climate, plant care, and growing conditions. Adequate sunlight and regular watering during establishment help support healthy development and flowering.
Alata Senna can be grown in a large container while young, provided it receives sufficient sunlight, water, and drainage. It can reach approximately 2–4 metres tall under favorable conditions, so a spacious outdoor location is generally more suitable as the plant matures. Check local invasive-plant guidance before planting outdoors.