- Name: 'Rhubarb Red' Swiss Chard - Other Common Names: Perpetual Spinach - Scientific Name: Beta Vulgaris - Color: Dark Red Stems With Medium Green Leaves - Plant Seeds: Spring Or Fall - Harvest: 55 Days - Hardiness Zone: Annual - Plant Height: 12 - 36" - Plant Spacing: 9 - 12" - Light Requirements: Sun - Soil & Water Preferences: Average - Quantity: 300 Seeds - Other: Swiss Chard Offers A Continuous Harvest Of Leaves (Cut & Come Again), Or The Entire Plant Can Be Left To Mature & Harvested Whole. The Plants Will Tolerate Some Frost So Can Be Planted In Spring Or Fall. They Can Be Overwintered In Warmer Climates, And/Or Reseed Themselves For New Early Spring Growth. Swiss Chard Is Easy To Grow, Disease Resistant, & Will Tolerate Poor Soil & Drought. The Leaves Can Be Enjoyed Raw In Salads, Steamed, Stir Fried, Or Any Way Spinach Is Used. The Stalks Can Be Eaten Like Celery. And Don't Tell Anybody, But They Are Good For You.