Giant Vallisneria
Vallisneria australis
Family: Hydrocharitaceae
Giant Vallisneria grows in full sun to partial shade and prefers aquatic substrate. Water needs: High.
Giant Vallisneria Plant Guide
Giant Vallisneria growing information includes sunlight requirements of Full sun to partial shade, soil conditions listed as Aquatic substrate with a soil pH of 6.0-8.0, and High water needs. The listed hardiness zones are 8-11. For propagation reference, the database lists germination or establishment information for Giant Vallisneria as 14-30 days, with planting or establishment depth listed as Surface of substrate. Days to maturity are listed as 1-2 years.
Plant Overview
Giant Vallisneria (Vallisneria australis) is listed in the Hydrocharitaceae 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-2612
- Family
- Hydrocharitaceae
- Plant type
- Aquatic perennial
- Life cycle
- Perennial
- Difficulty
- Easy
Growing Conditions
Giant Vallisneria is listed for full sun to partial shade conditions. Water needs are listed as high. The database soil reference is Aquatic substrate. The listed soil pH range is 6.0-8.0, and the listed hardiness range is 8-11.
- Hardiness zones
- 8-11
- Sunlight
- Full sun to partial shade
- Soil
- Aquatic substrate
- 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 Surface of substrate. The listed time to maturity is 1-2 years. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.
- Germination
- 14-30 days
- Seed depth
- Surface of substrate
Harvest & Propagation
- Days to maturity
- 1-2 years
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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.