When to plant swiss chard in Riverside
Common questions
When can I sow swiss chard outdoors in Riverside?
Direct-sow around early February (Feb 2–Feb 23) in Riverside, based on its local frost dates. Confidence 78%.
When will swiss chard be ready to harvest in Riverside?
Expect to harvest from around late March (Mar 24–Apr 3) in Riverside, based on its local frost dates. Confidence 70%.
When should I start swiss chard seeds indoors in Riverside?
Start seeds indoors around mid January (Jan 19–Feb 9) in Riverside, based on its local frost dates. Confidence 74%.
When can I transplant swiss chard outdoors in Riverside?
Transplant outdoors around early February (Feb 2–Feb 23) in Riverside, based on its local frost dates. Confidence 78%.
Can I plant swiss chard in autumn in Riverside?
Yes — Riverside supports a second, autumn sowing of swiss chard around early September (Sep 2–Sep 16), timed to mature before the first fall frost.
How long is the growing season in Riverside?
Riverside has roughly 293 frost-free days, which is enough time to grow swiss chard to maturity outdoors.
Sow swiss chard as soon as the soil is workable — it tolerates cool weather and light frost. Every date on this page is derived from that rule and Riverside's frost dates.