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- Days to maturity
- 74 days
- Listed for
- United States
Overview
Rosa is an open-pollinated red iceberg from Arco Seed (1981). The small, very tight heads are red to burgundy outside and shade to green within. It grows slowly, around 74 days, but resists bolting and shrugs off weather extremes better than most crispheads.
Rosa traits
- Small, very tight red iceberg heads
- Red and burgundy exterior, green interior
- Slow growing but bolt resistant
- Tolerant of weather extremes
- Open-pollinated, Arco Seed Co., 1981
Good for
- Iceberg heads
- Salad color accent
Compare with other head lettuce varieties
Blank cells mean there is no data on record. Select a variety name to open its page.
| Variety | Days to maturity | Growth habit | Type |
|---|---|---|---|
| Rosa this page | 74 days | — | — |
| Wakefield Crunch | 75 days | — | — |
| Ithaca | 72–85 days | — | — |
| Webb's Wonderful | 72 days | — | — |
| Billabong | 70–79 days | — | — |
| Continuity Crisphead | 70 days | — | — |
| Igloo | 70 days | — | — |
Rosa FAQ
What kind of head lettuce is Rosa?
Rosa is an open-pollinated red iceberg from Arco Seed (1981). The small, very tight heads are red to burgundy outside and shade to green within.
How many days to maturity is Rosa?
Rosa is listed at 74 days. Sowing and planting times are the same as for other head lettuce varieties, so check them in the head lettuce growing guide.
How does Rosa compare with other head lettuce varieties?
Rosa: 74 days. Similar head lettuce varieties include Wakefield Crunch (75 days), Ithaca (72–85 days), Webb's Wonderful (72 days). The comparison table on this page lists days to maturity, growth habit and type side by side.
What is Rosa good for?
Rosa is grown for iceberg heads, salad color accent.
Sowing, care and common problems
Sowing times, care and common problems are the same for every head lettuce variety, so they are covered once in the growing guide.
- Head Lettuce growing guide
- How to Grow Lettuce from Seed: Light, Soil Warmth and Summer Sowing
- Types of Lettuce: Crisphead, Butterhead, Romaine and Loose Leaf
- Why Lettuce Does Not Form a Head, and Why It Turns Bitter
- Lettuce Diseases and Pests: Keeping the Crown Dry
- When to Pick Lettuce and How to Cut and Come Again
- Lettuce Growing Calendar: Spring and Autumn Sowings
- All 30 head lettuce varieties
Source
Source: Cornell University (CALS Garden-Based Learning)
The text on this page is our own summary written from the published variety record, not a copy of it.