Saxifraga x arendsii Marto™ Red

Masses of long-lasting flowers from March through June.
Higher cold tolerance means more forgiveness in early frosts.

Produces red flowers with yellow eyes.

RESOURCES

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GENERAL INFORMATION

Scientific Name: Saxifraga x arendsii

CommonName: Rockfoil

Hardiness Zone: 4a - 9b

Hardiness Degree: -25°F (-25°C)

Blooming Season: Early Spring, Spring

Plant Habit: Mounded

Characteristics: Frost Tolerant

Water: Light

Spacing: 7 - 9" (18 - 23cm)

Height: 4 - 6" (10 - 15cm)

Width: 5 - 7" (13 - 18cm)

Exposure: Partial Sun, Sun

PROPAGATION

Media EC/pH: EC 0.75-0.80 mmhos/pH 5.8-6.2

Soil Temperature: 70-72°F (21-22°C)

Rooting Hormone: 500-100 ppm IBA basal dip

Mist: Low mist setting

Fertilization: 50-75 ppm N only after rooted

Pinching: None.

Transplanting: 49-56 days after sticking

Comments: Do not saturate growing media. Excessive mist will cause losses. Callused cuttings are beneficial. Refer to callused cutting culture guides.

FINISHING

Media pH: 5.8-6.2

Temperature: Nights: 55 to 65°F (13 to 17°C) Days: 60 to 80°F (15 to 27°C)

Light Level (fc): 5,000 to 8,000

Vernalization: Yes

Daylength: Day length neutral

Watering: Allow media to dry moderately between watering.

Fertilization: Use a balanced fertilizer at a rate of 125 to 150 ppm.

Pinch After Transplant: No

Plant Growth Regulators: B-Nine/Cycocel combination at 3,750 ppm, B-Nine/Cycocel 500 ppm before flowering. Sumagic spray can be used with caution after flowering if needed.

Pests and Fungal Diseases: Spider mites, thrips, bacterial spot, botrytis

CROP SCHEDULING

Bloom Months: March to June

Plant Protection

'FLSAX19605'

(Flowering Only License)

Breeder: Florensis, B.V.

Breeder Acknowledgment: MARTO is a U.S. Trademark of Florensis B.V.

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