
Water Stargrass
Heteranthera dubia
Family: Pontederiaceae
Water Stargrass grows in full sun and prefers submerged freshwater. Water needs: High.
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Water Stargrass Plant Guide
Water Stargrass growing information includes sunlight requirements of Full sun, soil conditions listed as Submerged freshwater with a soil pH of 6.0-8.0, and High water needs. The listed hardiness zones are 4-10. For propagation reference, the database lists germination or establishment information for Water Stargrass as 14-30 days, with planting or establishment depth listed as Submerged. Days to maturity are listed as 60-90 days.
Plant Overview
Water Stargrass (Heteranthera dubia) is listed in the Pontederiaceae family and categorized as a aquatic perennial with a perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Easy.
- Plant ID
- PLT-2613
- Family
- Pontederiaceae
- Plant type
- Aquatic perennial
- Life cycle
- Perennial
- Difficulty
- Easy
Growing Conditions
Water Stargrass is listed for full sun conditions. Water needs are listed as high. The database soil reference is Submerged freshwater. The listed soil pH range is 6.0-8.0, and the listed hardiness range is 4-10.
- Hardiness zones
- 4-10
- Sunlight
- Full sun
- Soil
- Submerged freshwater
- Soil pH
- 6.0-8.0
- Water needs
- High
Seed & Germination
For seed starting, the listed germination time is 14-30 days and the seed depth is Submerged. The listed time to maturity is 60-90 days. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 14-30 days
- Seed depth
- Submerged
Harvest & Propagation
- Days to maturity
- 60-90 days
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Growing Reference Note
Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.



