20 Mixed Hibiscus Seeds - Althea Red Heart | Rose of Sharon
$2.00
Beautiful Hardy Hibiscus Althea Red Heart (Rose of Sharon)
Mixed seeds Purple + White
Attracts Pollinators ✔
Small Tree ✔
Helps Erosion ✔
Beautiful ✔
Topical ✔
Fast Grower ✔
Multi- Bloomer ✔
Please Read!
Zones:
4-9
Height/Spread:
3 to 8 feet tall, 2 to 5 feet wide
Growth rate:
Fast. New growth is slow to emerge from dormancy in spring, but plants shoot up rapidly once they take off, growing as much as an inch per day.
Exposure:
Full sun
Soil:
Mostly native to swampy areas, Althea Red Heart prefers evenly moist, humus-rich soil. If necessary, mulch to help retain moisture.
Bloom Time:
Midsummer until the first frost.
Indoors From Purchased Seed
1. Nick the Seed Coat
Nick the hard seed coat at the wider, rounded end of the seed with a clean craft knife.
2. Soak the Seeds
Soak the seeds in a small bowl of hot water for up to 24 hours. Begin the sowing process 12 weeks before your last expected spring frost.
3. Prep the Planting Tray
Fill a planting tray with moist seed-starting mix, usually a soil-less product that combines perlite, vermiculite and peat moss.
4. Sow the Seeds
Sow the seeds 1/4 inch deep, firming the moist seed-starting mix over the seed. Place one seed per plug if your seed tray has inserts that hold the mix in separate 1- to 2-inch compartments. Otherwise sow seeds a few inches apart so seedlings will be easy to remove later.
5. Keep Them Warm
Set the tray on a waterproof greenhouse heat mat set to 68 to 72 degrees Fahrenheit or in a room with the same temperature range.
6. Conserve Moisture
Cover the tray with its included clear plastic dome or with plastic wrap to keep moisture in.
7. Check the Seed Tray
Check the seed tray regularly over the one to three weeks it takes the seeds to germinate. Ensure the soil is moist but not soggy. Too-wet soil can cause the seeds to rot before they germinate.
8. Remove the Plastic
Remove the plastic when plants emerge and move the tray to a site where it receives bright, indirect sunlight.
9. Apply Fertilizer
Apply a balanced, water-soluble fertilizer mixed to half its recommended strength with every other watering after the seedlings produce their first true leaves – the first pair of leaves after the initial seed leaves that emerge at germination. Water enough to keep the potting soil evenly moist, never letting it dry out or become waterlogged.
10. Transplant the Seedlings
Transplant the seedlings to separate 1-gallon containers filled with standard potting soil when they have at least three sets of leaves. Allow them to grow in a sheltered area for several weeks before transitioning them to their permanent outdoor location when all danger of frost has passed.
Outdoors From Fresh Seed
1. Harvest the Seeds
Harvest the papery seedpods from an established hardy hibiscus in late fall when the pods turn brown, but before they break open. Remove the fuzzy brown seeds from the pods with a gentle squeeze.
2. Test Seed Viability
Wrap several seeds in a damp paper towel to test if they are viable. If your plant is a hybrid, seeds may be sterile, meaning they won't germinate. Place the towel in a plastic bag and set it in a warm location, such as on top of the refrigerator or on a seed-starting heat mat, for about a week. Check the contents every few days, looking for the seeds to swell and send out a root. If all or some of them do, your hibiscus produces viable seed you can sow.
3. Sow the Seeds
Sow seeds harvested from the pods 1/4 inch deep in moist, well-drained soil in full sun as soon as possible after they are harvested. Plant several seeds in each site and thin to the strongest in the spring after the seedlings emerge.
Mixed seeds Purple + White
Attracts Pollinators ✔
Small Tree ✔
Helps Erosion ✔
Beautiful ✔
Topical ✔
Fast Grower ✔
Multi- Bloomer ✔
Please Read!
Zones:
4-9
Height/Spread:
3 to 8 feet tall, 2 to 5 feet wide
Growth rate:
Fast. New growth is slow to emerge from dormancy in spring, but plants shoot up rapidly once they take off, growing as much as an inch per day.
Exposure:
Full sun
Soil:
Mostly native to swampy areas, Althea Red Heart prefers evenly moist, humus-rich soil. If necessary, mulch to help retain moisture.
Bloom Time:
Midsummer until the first frost.
Indoors From Purchased Seed
1. Nick the Seed Coat
Nick the hard seed coat at the wider, rounded end of the seed with a clean craft knife.
2. Soak the Seeds
Soak the seeds in a small bowl of hot water for up to 24 hours. Begin the sowing process 12 weeks before your last expected spring frost.
3. Prep the Planting Tray
Fill a planting tray with moist seed-starting mix, usually a soil-less product that combines perlite, vermiculite and peat moss.
4. Sow the Seeds
Sow the seeds 1/4 inch deep, firming the moist seed-starting mix over the seed. Place one seed per plug if your seed tray has inserts that hold the mix in separate 1- to 2-inch compartments. Otherwise sow seeds a few inches apart so seedlings will be easy to remove later.
5. Keep Them Warm
Set the tray on a waterproof greenhouse heat mat set to 68 to 72 degrees Fahrenheit or in a room with the same temperature range.
6. Conserve Moisture
Cover the tray with its included clear plastic dome or with plastic wrap to keep moisture in.
7. Check the Seed Tray
Check the seed tray regularly over the one to three weeks it takes the seeds to germinate. Ensure the soil is moist but not soggy. Too-wet soil can cause the seeds to rot before they germinate.
8. Remove the Plastic
Remove the plastic when plants emerge and move the tray to a site where it receives bright, indirect sunlight.
9. Apply Fertilizer
Apply a balanced, water-soluble fertilizer mixed to half its recommended strength with every other watering after the seedlings produce their first true leaves – the first pair of leaves after the initial seed leaves that emerge at germination. Water enough to keep the potting soil evenly moist, never letting it dry out or become waterlogged.
10. Transplant the Seedlings
Transplant the seedlings to separate 1-gallon containers filled with standard potting soil when they have at least three sets of leaves. Allow them to grow in a sheltered area for several weeks before transitioning them to their permanent outdoor location when all danger of frost has passed.
Outdoors From Fresh Seed
1. Harvest the Seeds
Harvest the papery seedpods from an established hardy hibiscus in late fall when the pods turn brown, but before they break open. Remove the fuzzy brown seeds from the pods with a gentle squeeze.
2. Test Seed Viability
Wrap several seeds in a damp paper towel to test if they are viable. If your plant is a hybrid, seeds may be sterile, meaning they won't germinate. Place the towel in a plastic bag and set it in a warm location, such as on top of the refrigerator or on a seed-starting heat mat, for about a week. Check the contents every few days, looking for the seeds to swell and send out a root. If all or some of them do, your hibiscus produces viable seed you can sow.
3. Sow the Seeds
Sow seeds harvested from the pods 1/4 inch deep in moist, well-drained soil in full sun as soon as possible after they are harvested. Plant several seeds in each site and thin to the strongest in the spring after the seedlings emerge.
Quantity:
Beautiful Hardy Hibiscus Althea Red Heart (Rose of Sharon)
Mixed seeds Purple + White
Attracts Pollinators ✔
Small Tree ✔
Helps Erosion ✔
Beautiful ✔
Topical ✔
Fast Grower ✔
Multi- Bloomer ✔
Please Read!
Zones:
4-9
Height/Spread:
3 to 8 feet tall, 2 to 5 feet wide
Growth rate:
Fast. New growth is slow to emerge from dormancy in spring, but plants shoot up rapidly once they take off, growing as much as an inch per day.
Exposure:
Full sun
Soil:
Mostly native to swampy areas, Althea Red Heart prefers evenly moist, humus-rich soil. If necessary, mulch to help retain moisture.
Bloom Time:
Midsummer until the first frost.
Indoors From Purchased Seed
1. Nick the Seed Coat
Nick the hard seed coat at the wider, rounded end of the seed with a clean craft knife.
2. Soak the Seeds
Soak the seeds in a small bowl of hot water for up to 24 hours. Begin the sowing process 12 weeks before your last expected spring frost.
3. Prep the Planting Tray
Fill a planting tray with moist seed-starting mix, usually a soil-less product that combines perlite, vermiculite and peat moss.
4. Sow the Seeds
Sow the seeds 1/4 inch deep, firming the moist seed-starting mix over the seed. Place one seed per plug if your seed tray has inserts that hold the mix in separate 1- to 2-inch compartments. Otherwise sow seeds a few inches apart so seedlings will be easy to remove later.
5. Keep Them Warm
Set the tray on a waterproof greenhouse heat mat set to 68 to 72 degrees Fahrenheit or in a room with the same temperature range.
6. Conserve Moisture
Cover the tray with its included clear plastic dome or with plastic wrap to keep moisture in.
7. Check the Seed Tray
Check the seed tray regularly over the one to three weeks it takes the seeds to germinate. Ensure the soil is moist but not soggy. Too-wet soil can cause the seeds to rot before they germinate.
8. Remove the Plastic
Remove the plastic when plants emerge and move the tray to a site where it receives bright, indirect sunlight.
9. Apply Fertilizer
Apply a balanced, water-soluble fertilizer mixed to half its recommended strength with every other watering after the seedlings produce their first true leaves – the first pair of leaves after the initial seed leaves that emerge at germination. Water enough to keep the potting soil evenly moist, never letting it dry out or become waterlogged.
10. Transplant the Seedlings
Transplant the seedlings to separate 1-gallon containers filled with standard potting soil when they have at least three sets of leaves. Allow them to grow in a sheltered area for several weeks before transitioning them to their permanent outdoor location when all danger of frost has passed.
Outdoors From Fresh Seed
1. Harvest the Seeds
Harvest the papery seedpods from an established hardy hibiscus in late fall when the pods turn brown, but before they break open. Remove the fuzzy brown seeds from the pods with a gentle squeeze.
2. Test Seed Viability
Wrap several seeds in a damp paper towel to test if they are viable. If your plant is a hybrid, seeds may be sterile, meaning they won't germinate. Place the towel in a plastic bag and set it in a warm location, such as on top of the refrigerator or on a seed-starting heat mat, for about a week. Check the contents every few days, looking for the seeds to swell and send out a root. If all or some of them do, your hibiscus produces viable seed you can sow.
3. Sow the Seeds
Sow seeds harvested from the pods 1/4 inch deep in moist, well-drained soil in full sun as soon as possible after they are harvested. Plant several seeds in each site and thin to the strongest in the spring after the seedlings emerge.
Mixed seeds Purple + White
Attracts Pollinators ✔
Small Tree ✔
Helps Erosion ✔
Beautiful ✔
Topical ✔
Fast Grower ✔
Multi- Bloomer ✔
Please Read!
Zones:
4-9
Height/Spread:
3 to 8 feet tall, 2 to 5 feet wide
Growth rate:
Fast. New growth is slow to emerge from dormancy in spring, but plants shoot up rapidly once they take off, growing as much as an inch per day.
Exposure:
Full sun
Soil:
Mostly native to swampy areas, Althea Red Heart prefers evenly moist, humus-rich soil. If necessary, mulch to help retain moisture.
Bloom Time:
Midsummer until the first frost.
Indoors From Purchased Seed
1. Nick the Seed Coat
Nick the hard seed coat at the wider, rounded end of the seed with a clean craft knife.
2. Soak the Seeds
Soak the seeds in a small bowl of hot water for up to 24 hours. Begin the sowing process 12 weeks before your last expected spring frost.
3. Prep the Planting Tray
Fill a planting tray with moist seed-starting mix, usually a soil-less product that combines perlite, vermiculite and peat moss.
4. Sow the Seeds
Sow the seeds 1/4 inch deep, firming the moist seed-starting mix over the seed. Place one seed per plug if your seed tray has inserts that hold the mix in separate 1- to 2-inch compartments. Otherwise sow seeds a few inches apart so seedlings will be easy to remove later.
5. Keep Them Warm
Set the tray on a waterproof greenhouse heat mat set to 68 to 72 degrees Fahrenheit or in a room with the same temperature range.
6. Conserve Moisture
Cover the tray with its included clear plastic dome or with plastic wrap to keep moisture in.
7. Check the Seed Tray
Check the seed tray regularly over the one to three weeks it takes the seeds to germinate. Ensure the soil is moist but not soggy. Too-wet soil can cause the seeds to rot before they germinate.
8. Remove the Plastic
Remove the plastic when plants emerge and move the tray to a site where it receives bright, indirect sunlight.
9. Apply Fertilizer
Apply a balanced, water-soluble fertilizer mixed to half its recommended strength with every other watering after the seedlings produce their first true leaves – the first pair of leaves after the initial seed leaves that emerge at germination. Water enough to keep the potting soil evenly moist, never letting it dry out or become waterlogged.
10. Transplant the Seedlings
Transplant the seedlings to separate 1-gallon containers filled with standard potting soil when they have at least three sets of leaves. Allow them to grow in a sheltered area for several weeks before transitioning them to their permanent outdoor location when all danger of frost has passed.
Outdoors From Fresh Seed
1. Harvest the Seeds
Harvest the papery seedpods from an established hardy hibiscus in late fall when the pods turn brown, but before they break open. Remove the fuzzy brown seeds from the pods with a gentle squeeze.
2. Test Seed Viability
Wrap several seeds in a damp paper towel to test if they are viable. If your plant is a hybrid, seeds may be sterile, meaning they won't germinate. Place the towel in a plastic bag and set it in a warm location, such as on top of the refrigerator or on a seed-starting heat mat, for about a week. Check the contents every few days, looking for the seeds to swell and send out a root. If all or some of them do, your hibiscus produces viable seed you can sow.
3. Sow the Seeds
Sow seeds harvested from the pods 1/4 inch deep in moist, well-drained soil in full sun as soon as possible after they are harvested. Plant several seeds in each site and thin to the strongest in the spring after the seedlings emerge.
Beautiful Hardy Hibiscus Althea Red Heart (Rose of Sharon)
Mixed seeds Purple + White
Attracts Pollinators ✔
Small Tree ✔
Helps Erosion ✔
Beautiful ✔
Topical ✔
Fast Grower ✔
Multi- Bloomer ✔
Please Read!
Zones:
4-9
Height/Spread:
3 to 8 feet tall, 2 to 5 feet wide
Growth rate:
Fast. New growth is slow to emerge from dormancy in spring, but plants shoot up rapidly once they take off, growing as much as an inch per day.
Exposure:
Full sun
Soil:
Mostly native to swampy areas, Althea Red Heart prefers evenly moist, humus-rich soil. If necessary, mulch to help retain moisture.
Bloom Time:
Midsummer until the first frost.
Indoors From Purchased Seed
1. Nick the Seed Coat
Nick the hard seed coat at the wider, rounded end of the seed with a clean craft knife.
2. Soak the Seeds
Soak the seeds in a small bowl of hot water for up to 24 hours. Begin the sowing process 12 weeks before your last expected spring frost.
3. Prep the Planting Tray
Fill a planting tray with moist seed-starting mix, usually a soil-less product that combines perlite, vermiculite and peat moss.
4. Sow the Seeds
Sow the seeds 1/4 inch deep, firming the moist seed-starting mix over the seed. Place one seed per plug if your seed tray has inserts that hold the mix in separate 1- to 2-inch compartments. Otherwise sow seeds a few inches apart so seedlings will be easy to remove later.
5. Keep Them Warm
Set the tray on a waterproof greenhouse heat mat set to 68 to 72 degrees Fahrenheit or in a room with the same temperature range.
6. Conserve Moisture
Cover the tray with its included clear plastic dome or with plastic wrap to keep moisture in.
7. Check the Seed Tray
Check the seed tray regularly over the one to three weeks it takes the seeds to germinate. Ensure the soil is moist but not soggy. Too-wet soil can cause the seeds to rot before they germinate.
8. Remove the Plastic
Remove the plastic when plants emerge and move the tray to a site where it receives bright, indirect sunlight.
9. Apply Fertilizer
Apply a balanced, water-soluble fertilizer mixed to half its recommended strength with every other watering after the seedlings produce their first true leaves – the first pair of leaves after the initial seed leaves that emerge at germination. Water enough to keep the potting soil evenly moist, never letting it dry out or become waterlogged.
10. Transplant the Seedlings
Transplant the seedlings to separate 1-gallon containers filled with standard potting soil when they have at least three sets of leaves. Allow them to grow in a sheltered area for several weeks before transitioning them to their permanent outdoor location when all danger of frost has passed.
Outdoors From Fresh Seed
1. Harvest the Seeds
Harvest the papery seedpods from an established hardy hibiscus in late fall when the pods turn brown, but before they break open. Remove the fuzzy brown seeds from the pods with a gentle squeeze.
2. Test Seed Viability
Wrap several seeds in a damp paper towel to test if they are viable. If your plant is a hybrid, seeds may be sterile, meaning they won't germinate. Place the towel in a plastic bag and set it in a warm location, such as on top of the refrigerator or on a seed-starting heat mat, for about a week. Check the contents every few days, looking for the seeds to swell and send out a root. If all or some of them do, your hibiscus produces viable seed you can sow.
3. Sow the Seeds
Sow seeds harvested from the pods 1/4 inch deep in moist, well-drained soil in full sun as soon as possible after they are harvested. Plant several seeds in each site and thin to the strongest in the spring after the seedlings emerge.
Mixed seeds Purple + White
Attracts Pollinators ✔
Small Tree ✔
Helps Erosion ✔
Beautiful ✔
Topical ✔
Fast Grower ✔
Multi- Bloomer ✔
Please Read!
Zones:
4-9
Height/Spread:
3 to 8 feet tall, 2 to 5 feet wide
Growth rate:
Fast. New growth is slow to emerge from dormancy in spring, but plants shoot up rapidly once they take off, growing as much as an inch per day.
Exposure:
Full sun
Soil:
Mostly native to swampy areas, Althea Red Heart prefers evenly moist, humus-rich soil. If necessary, mulch to help retain moisture.
Bloom Time:
Midsummer until the first frost.
Indoors From Purchased Seed
1. Nick the Seed Coat
Nick the hard seed coat at the wider, rounded end of the seed with a clean craft knife.
2. Soak the Seeds
Soak the seeds in a small bowl of hot water for up to 24 hours. Begin the sowing process 12 weeks before your last expected spring frost.
3. Prep the Planting Tray
Fill a planting tray with moist seed-starting mix, usually a soil-less product that combines perlite, vermiculite and peat moss.
4. Sow the Seeds
Sow the seeds 1/4 inch deep, firming the moist seed-starting mix over the seed. Place one seed per plug if your seed tray has inserts that hold the mix in separate 1- to 2-inch compartments. Otherwise sow seeds a few inches apart so seedlings will be easy to remove later.
5. Keep Them Warm
Set the tray on a waterproof greenhouse heat mat set to 68 to 72 degrees Fahrenheit or in a room with the same temperature range.
6. Conserve Moisture
Cover the tray with its included clear plastic dome or with plastic wrap to keep moisture in.
7. Check the Seed Tray
Check the seed tray regularly over the one to three weeks it takes the seeds to germinate. Ensure the soil is moist but not soggy. Too-wet soil can cause the seeds to rot before they germinate.
8. Remove the Plastic
Remove the plastic when plants emerge and move the tray to a site where it receives bright, indirect sunlight.
9. Apply Fertilizer
Apply a balanced, water-soluble fertilizer mixed to half its recommended strength with every other watering after the seedlings produce their first true leaves – the first pair of leaves after the initial seed leaves that emerge at germination. Water enough to keep the potting soil evenly moist, never letting it dry out or become waterlogged.
10. Transplant the Seedlings
Transplant the seedlings to separate 1-gallon containers filled with standard potting soil when they have at least three sets of leaves. Allow them to grow in a sheltered area for several weeks before transitioning them to their permanent outdoor location when all danger of frost has passed.
Outdoors From Fresh Seed
1. Harvest the Seeds
Harvest the papery seedpods from an established hardy hibiscus in late fall when the pods turn brown, but before they break open. Remove the fuzzy brown seeds from the pods with a gentle squeeze.
2. Test Seed Viability
Wrap several seeds in a damp paper towel to test if they are viable. If your plant is a hybrid, seeds may be sterile, meaning they won't germinate. Place the towel in a plastic bag and set it in a warm location, such as on top of the refrigerator or on a seed-starting heat mat, for about a week. Check the contents every few days, looking for the seeds to swell and send out a root. If all or some of them do, your hibiscus produces viable seed you can sow.
3. Sow the Seeds
Sow seeds harvested from the pods 1/4 inch deep in moist, well-drained soil in full sun as soon as possible after they are harvested. Plant several seeds in each site and thin to the strongest in the spring after the seedlings emerge.