PlantFiles is getting a new look! Just in time for spring, we're rolling out a new look for the best online plants database. It will also work with your smart phones and mobile devices, so now you can take it with you on garden center visits or botanical garden tours. Questions or comments? Please post them here.

Fosteriana Tulip
Tulipa 'Sweetheart'

Family: Liliaceae (lil-ee-AY-see-ee) (Info)
Genus: Tulipa (TOO-li-pa) (Info)
Cultivar: Sweetheart
» View all varieties of Tulips

Division:

Division 13 - Fosteriana

Height:

12-18 in. (30-45 cm)

Spacing:

3-6 in. (7-15 cm)

Hardiness:

USDA Zone 3a: to -39.9 C (-40 F)

USDA Zone 3b: to -37.2 C (-35 F)

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

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)

Sun Exposure:

Full Sun

Sun to Partial Shade

Danger:

Parts of plant are poisonous if ingested

Bloom Color:

Bright Yellow

Cream/Tan

Bloom Time:

Late Winter/Early Spring

Foliage:

Herbaceous

Other details:

Average Water Needs; Water regularly; do not overwater

Flowers are good for cutting

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Non-patented

Propagation Methods:

By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

This plant has been said to grow in the following regions:

Roslindale, Massachusetts

Gardeners' Notes:

1
positive
2
neutrals
0
negatives
RatingContent
Positive

On Jan 31, 2014, coriaceous from ROSLINDALE, MA wrote:

The flower is a soft bright lemon yellow, not a strident gold. Like other Fosteriana hybrids, it's also very early, in daffodil season.

Like other Fosteriana hybrids, this naturalizes well in Boston Z6a, where few tulip hybrids last more than two years. Summer irrigation can cause bulbs to rot.

Neutral

On Jan 18, 2008, saya from Heerlen
Netherlands (Zone 8b) wrote:

Introduced in 1976.

Neutral

On Nov 15, 2004, smiln32 from Oklahoma City, OK (Zone 7a) wrote:

This tulip is a lemon yellow with a wide white edge. It naturalizes well and looks great planted next to white or yellow daffodils. It can reach a height of 16".