Antirrhinum, Snapdragon 'Night and Day'

Antirrhinum majus

Genus
Antirrhinum (an-TEE-ry-num)
Species
majus (MAY-jus)
Synonym
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
This plant is resistant to deer
Height
18-24 in. (45-60 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Seed is poisonous if ingested
Parts of plant are poisonous if ingested
Bloom Color
Scarlet (dark red)
White/Near White
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Annuals
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Orange/Apricot
Where to Grow
Can be grown as an annual
Bloom Characteristics
Flowers are good for cutting
This plant is attractive to bees, butterflies and/or birds
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; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost
By simple layering
By serpentine layering
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Regional

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

Capistrano Beach, California

La Jolla, California

Laguna Beach, California

Richmond, California

Ewing, Kentucky

Flemingsburg, Kentucky

Canton, Mississippi

Pequannock, New Jersey

Willoughby, Ohio

Houston, Texas(2 reports)

Salt Lake City, Utah

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Gardener's Notes:

1
positive
2
neutrals
0
negative
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L
Pequannock, NJ (Zone 6b) | January 2015 | neutral

I've tried this snapdragon a few times in the past. Out of those times, they were only great once. Most years the flower stalks were shor...Read More

G
(Zone 5a) | June 2007 | neutral

In the batch that I am growing from seed, about half have tentacles and seem to be a climbing variety.

G
G
Willoughby, OH (Zone 5a) | June 2005 | positive

This lovely cultivar was developed in 1889,and originally known as "Red Cross".Spikes are borne on 18 inch willowy stems.Did wonderfully ...Read More

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