White Silver

Family: Amaranthaceae Leafy Green

Planting Schedule

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Silvery-white stems glow against deep, velvety green leaves, offering a crisp, tender bite with a clean, gently sweet flavor.

White Silver chard forms an upright, fountain-like clump that stays succulent as it matures—ideal for fresh salads, quick sautéing, and silky sauces where its pale ribs bring a bright, elegant look. Grow it for harvests that feel as refined as they taste, from early snips to full-size leaves at about 50 days.

Light: Full SunMaturity: 50 DaysHabit: Upright

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White Silver Planting Dates by USDA Zone

Estimated US hardiness-zone windows for sow, transplant, and harvest. Enter a US ZIP above for exact local dates, or open a zone below.

Zone	Start Indoors	Sow / Transplant	Harvest
Zone 1a	Protected Environment Only
Zone 1b	Direct Sow	Jun 1st	Jul 21st – Aug 1st
Zone 2a	Direct Sow	May 25th	Jul 14th – Aug 29th
Zone 2b	Direct Sow	May 15th	Jul 4th – Aug 25th
Zone 3a	Direct Sow	May 15th	Jul 4th – Sep 1st
Zone 3b	Direct Sow	May 19th	Jul 8th – Sep 21st
Zone 4a	Direct Sow	May 15th	Jul 4th – Sep 24th
Zone 4b	Direct Sow	May 13th	Jul 2nd – Sep 27th
Zone 5a	Direct Sow	May 8th	Jun 27th – Sep 30th
Zone 5b	Direct Sow	May 4th	Jun 23rd – Oct 5th
Zone 6a	Direct Sow	May 1st	Jun 20th – Oct 10th
Zone 6b	Direct Sow	Apr 25th	Jun 14th – Oct 16th
Zone 7a	Direct Sow	Apr 20th	Jun 9th – Oct 20th
Zone 7b	Direct Sow	Apr 10th	May 30th – Oct 28th
Zone 8a	Direct Sow	Apr 1st	May 21st – Nov 5th
Zone 8b	Direct Sow	Mar 23rd	May 12th – Nov 12th
Zone 9a	Direct Sow	Mar 6th	Apr 25th – Nov 26th
Zone 9b	Direct Sow	Feb 9th	Mar 31st – Dec 9th
Zone 10a	—	Oct 1st	Nov 20th – Feb 28th
Zone 10b	—	Oct 1st	Nov 20th – Feb 28th
Zone 11a	—	Oct 1st	Nov 20th – Feb 28th
Zone 11b	—	Oct 1st	Nov 20th – Feb 28th
Zone 12a	—	Oct 1st	Nov 20th – Feb 28th
Zone 12b	—	Oct 1st	Nov 20th – Feb 28th
Zone 13a	—	Oct 1st	Nov 20th – Feb 28th
Zone 13b	—	Oct 1st	Nov 20th – Feb 28th

Crop Details

Trait	Value
Days to Maturity	50
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	45
Min Night Temp (°F)	28
Harden Off (days)	6

Culinary Notes

Chef's Note

White Silver chard gives you that rare combo: pale ribs that keep a crisp bite and greens that melt into a smooth, lightly mineral silk. It’s built for fast heat and acid—let lemon and butter finish it, not long cooking or heavy aromatics.

Best Uses

quick sauté so the ribs stay snappy while the leaves go silky
thin-shaved salad—dressed and served immediately for maximum crunch
steam-then-finish with butter for an elegant, rib-focused side
blended or pureed silky sauces where the pale stems add both sheen and mild sweetness

Flavor Profile

clean, gently sweet grassy bite crisp-tender ribs with a fresh snap velvety, mineral-leaning greens that turn silky when cooked bright, beet-like earthiness without the funk

Kitchen Pairings

lemon olive oil parmesan white beans anchovy butter

Frequently Asked Questions

What pest or disease most commonly affects Swiss chard (Beta vulgaris var. cicla) and what should I do if I see it?

Watch for leaf miners, which leave winding, silvery tunnels on chard leaves. Remove heavily mined leaves early and destroy them, then use row cover until plants are well established to prevent new egg-laying. If you also see powdery coating, improve airflow by spacing plants and avoid wetting leaves when you water.

How often should I water Swiss chard during the main growing phase to keep it producing?

During active leaf growth, keep the top 1–2 inches of soil consistently moist but not waterlogged, typically watering about 2–3 times per week depending on heat and soil type. If the leaves start to droop or get tough, increase watering, and mulch around plants to reduce soil drying. Avoid letting soil swing from dry to soggy—this crop reacts with slower, poorer leaf quality.

How can I tell when Swiss chard is ready to harvest?

Start harvesting when leaves are about 8–10 inches long (often around 50 days), and pick outer leaves first to keep the center growing. The leaves should feel crisp and tender, with stems firm rather than rubbery. For the best flavor, harvest before extreme heat—if leaves become narrow and tougher, harvest immediately and then keep up regular picking.