How long does it take to grow Rhubarb?

Rhubarb takes approximately 90 days from planting to harvest.

How much sun does Rhubarb need?

Rhubarb requires full sun (6+ hours direct sunlight per day).

Plant Rhubarb at 1/sqft (12" apart) using square foot gardening spacing.

Rhubarb is tolerant of heavy frost and can withstand freezing temperatures.

Rhubarb seeds germinate in 7-21 days at an optimal temperature of 65°F.

Start Rhubarb seeds indoors 10 weeks before your last frost date, then transplant -4 weeks after last frost.

Polygonaceae family

Days to Harvest90 days

SunlightFull Sun

Frost ToleranceHeavy

Spacing1/sqft (12" apart)

Germination7-21 days

HardinessVery Hardy

Germ. Temp65°F

Start Indoors10 weeks before last frost

Track Rhubarb from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.