Lettuce, Loose Leaf Lettuce 'Royal Oak Leaf'

Lactucasativa

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Lactuca (lak-TOO-kuh)
Species
sativa (sa-TEE-vuh)
Synonym
Sun Exposure
Full Sun
Foliage
Grown for foliage
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing
9-12 in. (22-30 cm)
Hardiness
Not Applicable
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Other Details
Category
Vegetables
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Mountain View, California

Thousand Oaks, California

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Gardener's Notes:

1
positive
1
neutral
1
negative
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G
(Zone 5a) | February 2006 | negative

This got bitter and milky in the stems when it was barely big enough to harvest. I had Buttercruch right next to it, planted at the very...Read More

S
Oklahoma City, OK (Zone 7a) | October 2004 | neutral

Leaf lettuce - which are the easiest and most reliable to grow. Sow seeds in early spring and again after the very hot days of summer are...Read More

L
Grove City, OH (Zone 6a) | January 2003 | positive

An improved variety of the familiar "Oakleaf" group of leaf lettuce. Ornamental and flavorful, slow to bolt. Harvest time of 45 days from seed.

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