Najas Plants — Species, Care & Identification
Najas is a plant genus in the Hydrocharitaceae family. PlantoScan has care guides for 19 species in this genus. Each guide covers watering, light, soil, hardiness zone and pet toxicity, with sources.
Najas species

Spiny Naiad
Najas marina
Trond BaugenCC BY 4.0PlantoScanresized
- Hooked Water NymphNajas ancistrocarpaPlantoScan
Hooked Water Nymph
Najas ancistrocarpa
- Threadleaf Water NymphNajas filifoliaPlantoScan
Threadleaf Water Nymph
Najas filifolia
- Slender NaiadNajas flexilisPlantoScan
Slender Naiad
Najas flexilis
- Slender NaiadNajas gracillimaPlantoScan
Slender Naiad
Najas gracillima
- Najas gramineaNajas gramineaPlantoScan
Najas graminea
- Najas grossareolataNajas grossareolataPlantoScan
Najas grossareolata
- Guadalupe NaiadNajas guadalupensisPlantoScan
Guadalupe Naiad
Najas guadalupensis
- Najas hagerupiiNajas hagerupiiPlantoScan
Najas hagerupii
- Najas halophilaNajas halophilaPlantoScan
Najas halophila
- Najas indicaNajas indicaPlantoScan
Najas indica
- Najas kurzianaNajas kurzianaPlantoScan
Najas kurziana
- Madagascar NaiadNajas madagascariensisPlantoScan
Madagascar Naiad
Najas madagascariensis
- Minor NaiadNajas minorPlantoScan
Minor Naiad
Najas minor
- False Slender NaiadNajas pseudogracillimaPlantoScan
False Slender Naiad
Najas pseudogracillima
- Thornless NaiadNajas tenuifoliaPlantoScan
Thornless Naiad
Najas tenuifolia
- Slender NaiadNajas tenuisPlantoScan
Slender Naiad
Najas tenuis
- Fineleaf NaiadNajas tenuissimaPlantoScan
Fineleaf Naiad
Najas tenuissima
- Najas wrightianaNajas wrightianaPlantoScan
Najas wrightiana
Browse other genera starting with N, the plant genera A–Z, or the complete plant care guide.